74670992 has 20 divisors (see below), whose sum is σ = 157827696. Its totient is φ = 33941280.

The previous prime is 74670991. The next prime is 74670997. The reversal of 74670992 is 29907647.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (74670991) 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, 211958 + ... + 212309.

Almost surely, 2^74670992 is an apocalyptic number.

It is an amenable number.

74670992 is an abundant number, since it is smaller than the sum of its proper divisors (83156704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74670992 is a wasteful number, since it uses less digits than its factorization.

74670992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424286 (or 424280 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 74670992 is about 8641.2378742863. The cubic root of 74670992 is about 421.0987707465.

The spelling of 74670992 in words is "seventy-four million, six hundred seventy thousand, nine hundred ninety-two".