74380458 has 16 divisors (see below), whose sum is σ = 148846176. Its totient is φ = 24779280.

The previous prime is 74380403. The next prime is 74380469. The reversal of 74380458 is 85408347.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16488 + ... + 20508.

It is an arithmetic number, because the mean of its divisors is an integer number (9302886).

Almost surely, 2^74380458 is an apocalyptic number.

74380458 is an abundant number, since it is smaller than the sum of its proper divisors (74465718).

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

74380458 is a wasteful number, since it uses less digits than its factorization.

74380458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 74380458 is about 8624.4105885562. The cubic root of 74380458 is about 420.5519161404.

The spelling of 74380458 in words is "seventy-four million, three hundred eighty thousand, four hundred fifty-eight".