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74080109 is a prime number
BaseRepresentation
bin1000110101001…
…01111101101101
312011101122210202
410122211331231
5122431030414
611203443245
71556445665
oct432457555
9164348722
1074080109
11388a8534
1220986525
13124699ac
149ba51a5
1567849de
hex46a5f6d

74080109 has 2 divisors, whose sum is σ = 74080110. Its totient is φ = 74080108.

The previous prime is 74080093. The next prime is 74080121. The reversal of 74080109 is 90108047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 635209 = 8570^2 + 797^2 .

It is an emirp because it is prime and its reverse (90108047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74080109 - 24 = 74080093 is a prime.

It is equal to p4343582 and since 74080109 and 4343582 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74080159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37040054 + 37040055.

It is an arithmetic number, because the mean of its divisors is an integer number (37040055).

Almost surely, 274080109 is an apocalyptic number.

It is an amenable number.

74080109 is a deficient number, since it is larger than the sum of its proper divisors (1).

74080109 is an equidigital number, since it uses as much as digits as its factorization.

74080109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 74080109 is about 8606.9802486122. The cubic root of 74080109 is about 419.9850882839.

The spelling of 74080109 in words is "seventy-four million, eighty thousand, one hundred nine".