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74067239069 = 75198624819
BaseRepresentation
bin100010011111011000…
…0000110000010011101
321002011212120120222122
41010332300012002131
52203142203122234
654005341552325
75231312100335
oct1047660060235
9232155516878
1074067239069
1129459030a7a
1212430b756a5
136ca4c7bca5
143828c700c5
151dd771892e
hex113ec0609d

74067239069 has 4 divisors (see below), whose sum is σ = 74165864640. Its totient is φ = 73968613500.

The previous prime is 74067239063. The next prime is 74067239111. The reversal of 74067239069 is 96093276047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96093276047 = 293313561243.

It is a cyclic number.

It is not a de Polignac number, because 74067239069 - 228 = 73798803613 is a prime.

It is a super-2 number, since 2×740672390692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74067239069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74067239063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49311659 + ... + 49313160.

It is an arithmetic number, because the mean of its divisors is an integer number (18541466160).

Almost surely, 274067239069 is an apocalyptic number.

It is an amenable number.

74067239069 is a deficient number, since it is larger than the sum of its proper divisors (98625571).

74067239069 is an equidigital number, since it uses as much as digits as its factorization.

74067239069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98625570.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 74067239069 in words is "seventy-four billion, sixty-seven million, two hundred thirty-nine thousand, sixty-nine".

Divisors: 1 751 98624819 74067239069