74649936285 has 32 divisors (see below), whose sum is σ = 139695792000. Its totient is φ = 37717861248.

The previous prime is 74649936271. The next prime is 74649936301. The reversal of 74649936285 is 58263994647.

74649936285 is a `hidden beast` number, since 7 + 4 + 6 + 499 + 3 + 62 + 85 = 666.

It is not a de Polignac number, because 74649936285 - 2⁷ = 74649936157 is a prime.

It is a super-2 number, since 2×74649936285² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14549080 + ... + 14554209.

It is an arithmetic number, because the mean of its divisors is an integer number (4365493500).

Almost surely, 2^74649936285 is an apocalyptic number.

It is an amenable number.

74649936285 is a deficient number, since it is larger than the sum of its proper divisors (65045855715).

74649936285 is a wasteful number, since it uses less digits than its factorization.

74649936285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29103322 (or 29103316 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 74649936285 in words is "seventy-four billion, six hundred forty-nine million, nine hundred thirty-six thousand, two hundred eighty-five".