74697992 has 8 divisors (see below), whose sum is σ = 140058750. Its totient is φ = 37348992.

The previous prime is 74697979. The next prime is 74698031. The reversal of 74697992 is 29979647.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47803396 + 26894596 = 6914^2 + 5186^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4668617 + ... + 4668632.

Almost surely, 2^74697992 is an apocalyptic number.

It is an amenable number.

74697992 is a deficient number, since it is larger than the sum of its proper divisors (65360758).

74697992 is a wasteful number, since it uses less digits than its factorization.

74697992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337255 (or 9337251 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The square root of 74697992 is about 8642.8000092563. The cubic root of 74697992 is about 421.1495191313.

The spelling of 74697992 in words is "seventy-four million, six hundred ninety-seven thousand, nine hundred ninety-two".