74928378562137 has 64 divisors (see below), whose sum is σ = 113644470251520. Its totient is φ = 48769742174400.

The previous prime is 74928378562073. The next prime is 74928378562199. The reversal of 74928378562137 is 73126587382947.

74928378562137 is a `hidden beast` number, since 7 + 4 + 9 + 28 + 3 + 7 + 8 + 562 + 1 + 37 = 666.

It is not a de Polignac number, because 74928378562137 - 2⁶ = 74928378562073 is a prime.

It is a super-2 number, since 2×74928378562137² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74928378562837) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4121237187 + ... + 4121255367.

It is an arithmetic number, because the mean of its divisors is an integer number (1775694847680).

Almost surely, 2^{74928378562137} is an apocalyptic number.

It is an amenable number.

74928378562137 is a deficient number, since it is larger than the sum of its proper divisors (38716091689383).

74928378562137 is a wasteful number, since it uses less digits than its factorization.

74928378562137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26011 (or 26005 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 74928378562137 in words is "seventy-four trillion, nine hundred twenty-eight billion, three hundred seventy-eight million, five hundred sixty-two thousand, one hundred thirty-seven".