74920994307 has 28 divisors (see below), whose sum is σ = 112373035080. Its totient is φ = 49928241888.

The previous prime is 74920994261. The next prime is 74920994341. The reversal of 74920994307 is 70349902947.

It is a happy number.

74920994307 is a `hidden beast` number, since 7 + 49 + 209 + 94 + 307 = 666.

It is not a de Polignac number, because 74920994307 - 2¹⁸ = 74920732163 is a prime.

It is a super-2 number, since 2×74920994307² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74920994347) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2036823 + ... + 2073279.

Almost surely, 2^74920994307 is an apocalyptic number.

74920994307 is a deficient number, since it is larger than the sum of its proper divisors (37452040773).

74920994307 is an equidigital number, since it uses as much as digits as its factorization.

74920994307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39294 (or 39279 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 74920994307 in words is "seventy-four billion, nine hundred twenty million, nine hundred ninety-four thousand, three hundred seven".