74428492 has 6 divisors (see below), whose sum is σ = 130249868. Its totient is φ = 37214244.

The previous prime is 74428481. The next prime is 74428493. The reversal of 74428492 is 29482447.

It is not an unprimeable number, because it can be changed into a prime (74428493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9303558 + ... + 9303565.

Almost surely, 2^74428492 is an apocalyptic number.

It is an amenable number.

74428492 is a deficient number, since it is larger than the sum of its proper divisors (55821376).

74428492 is a wasteful number, since it uses less digits than its factorization.

74428492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18607127 (or 18607125 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 74428492 is about 8627.1949091231. The cubic root of 74428492 is about 420.6424257732.

The spelling of 74428492 in words is "seventy-four million, four hundred twenty-eight thousand, four hundred ninety-two".