74767792969 has 9 divisors (see below), whose sum is σ = 76559055213. Its totient is φ = 73017522732.

The previous prime is 74767792951. The next prime is 74767792991. The reversal of 74767792969 is 96929776747.

The square root of 74767792969 is 273437.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 74767792969 - 2⁹ = 74767792457 is a prime.

It is a super-2 number, since 2×74767792969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74767792909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11754612 + ... + 11760970.

Almost surely, 2^74767792969 is an apocalyptic number.

74767792969 is the 273437-th square number.

74767792969 is the 136719-th centered octagonal number.

It is an amenable number.

74767792969 is a deficient number, since it is larger than the sum of its proper divisors (1791262244).

74767792969 is an frugal number, since it uses more digits than its factorization.

74767792969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804 (or 6402 counting only the distinct ones).

The product of its digits is 504094752, while the sum is 73.

The spelling of 74767792969 in words is "seventy-four billion, seven hundred sixty-seven million, seven hundred ninety-two thousand, nine hundred sixty-nine".