74615157 has 12 divisors (see below), whose sum is σ = 108825184. Its totient is φ = 49259880.

The previous prime is 74615089. The next prime is 74615161. The reversal of 74615157 is 75151647.

It is not a de Polignac number, because 74615157 - 2⁷ = 74615029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74615557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39319 + ... + 41172.

Almost surely, 2^74615157 is an apocalyptic number.

It is an amenable number.

74615157 is a deficient number, since it is larger than the sum of its proper divisors (34210027).

74615157 is a wasteful number, since it uses less digits than its factorization.

74615157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80600 (or 80597 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 74615157 is about 8638.0065408635. The cubic root of 74615157 is about 420.9937861466.

It can be divided in two parts, 7 and 4615157, that added together give a palindrome (4615164).

The spelling of 74615157 in words is "seventy-four million, six hundred fifteen thousand, one hundred fifty-seven".