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74080436689 = 771389148243
BaseRepresentation
bin100010011111110001…
…0011100000111010001
321002012210102002201101
41010333202130013101
52203204042433224
654010532504401
75231532215350
oct1047742340721
9232183362641
1074080436689
11294655255a6
121243547b101
136ca792012c
14382a907997
151dd8974044
hex113f89c1d1

74080436689 has 8 divisors (see below), whose sum is σ = 84665113280. Its totient is φ = 63496199376.

The previous prime is 74080436681. The next prime is 74080436777. The reversal of 74080436689 is 98663408047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74080436689 - 23 = 74080436681 is a prime.

It is a super-2 number, since 2×740804366892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74080436681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425602 + ... + 573844.

It is an arithmetic number, because the mean of its divisors is an integer number (10583139160).

Almost surely, 274080436689 is an apocalyptic number.

It is an amenable number.

74080436689 is a deficient number, since it is larger than the sum of its proper divisors (10584676591).

74080436689 is a wasteful number, since it uses less digits than its factorization.

74080436689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219639.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 74080436689 in words is "seventy-four billion, eighty million, four hundred thirty-six thousand, six hundred eighty-nine".

Divisors: 1 7 71389 148243 499723 1037701 10582919527 74080436689