74492158 has 12 divisors (see below), whose sum is σ = 120995208. Its totient is φ = 34380840.

The previous prime is 74492153. The next prime is 74492177. The reversal of 74492158 is 85129447.

It is a self number, because there is not a number n which added to its sum of digits gives 74492158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74492153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109858 + ... + 110533.

It is an arithmetic number, because the mean of its divisors is an integer number (10082934).

Almost surely, 2^74492158 is an apocalyptic number.

74492158 is a deficient number, since it is larger than the sum of its proper divisors (46503050).

74492158 is a wasteful number, since it uses less digits than its factorization.

74492158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220419 (or 220406 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 74492158 is about 8630.8839639981. The cubic root of 74492158 is about 420.7623305191.

The spelling of 74492158 in words is "seventy-four million, four hundred ninety-two thousand, one hundred fifty-eight".