74490658 has 16 divisors (see below), whose sum is σ = 122199840. Its totient is φ = 33774400.

The previous prime is 74490653. The next prime is 74490683. The reversal of 74490658 is 85609447.

It is not an unprimeable number, because it can be changed into a prime (74490653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5178 + ... + 13258.

It is an arithmetic number, because the mean of its divisors is an integer number (7637490).

Almost surely, 2^74490658 is an apocalyptic number.

74490658 is a deficient number, since it is larger than the sum of its proper divisors (47709182).

74490658 is a wasteful number, since it uses less digits than its factorization.

74490658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 74490658 is about 8630.7970663201. The cubic root of 74490658 is about 420.7595062946.

The spelling of 74490658 in words is "seventy-four million, four hundred ninety thousand, six hundred fifty-eight".