74909092 has 12 divisors (see below), whose sum is σ = 131670000. Its totient is φ = 37289096.

The previous prime is 74909083. The next prime is 74909099. The reversal of 74909092 is 29090947.

It is a super-2 number, since 2×74909092² = 11222744128528928, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74909099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40342 + ... + 42157.

It is an arithmetic number, because the mean of its divisors is an integer number (10972500).

Almost surely, 2^74909092 is an apocalyptic number.

It is an amenable number.

74909092 is a deficient number, since it is larger than the sum of its proper divisors (56760908).

74909092 is a wasteful number, since it uses less digits than its factorization.

74909092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82730 (or 82728 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 74909092 is about 8655.0038705942. The cubic root of 74909092 is about 421.5458753688.

The spelling of 74909092 in words is "seventy-four million, nine hundred nine thousand, ninety-two".