74669992 has 8 divisors (see below), whose sum is σ = 140006250. Its totient is φ = 37334992.

The previous prime is 74669971. The next prime is 74669993. The reversal of 74669992 is 29996647.

It can be written as a sum of positive squares in only one way, i.e., 58461316 + 16208676 = 7646^2 + 4026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (74669993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4666867 + ... + 4666882.

Almost surely, 2^74669992 is an apocalyptic number.

It is an amenable number.

74669992 is a deficient number, since it is larger than the sum of its proper divisors (65336258).

74669992 is a wasteful number, since it uses less digits than its factorization.

74669992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333755 (or 9333751 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 74669992 is about 8641.1800120122. The cubic root of 74669992 is about 421.0968909418.

The spelling of 74669992 in words is "seventy-four million, six hundred sixty-nine thousand, nine hundred ninety-two".