74908394 has 16 divisors (see below), whose sum is σ = 125568576. Its totient is φ = 33218400.

The previous prime is 74908381. The next prime is 74908399. The reversal of 74908394 is 49380947.

It is a super-2 number, since 2×74908394² = 11222534983318472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74908399) 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 in 7 ways as a sum of consecutive naturals, for example, 40622 + ... + 42425.

It is an arithmetic number, because the mean of its divisors is an integer number (7848036).

Almost surely, 2^74908394 is an apocalyptic number.

74908394 is a deficient number, since it is larger than the sum of its proper divisors (50660182).

74908394 is a wasteful number, since it uses less digits than its factorization.

74908394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83101.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 74908394 is about 8654.9635470058. The cubic root of 74908394 is about 421.5445660487.

The spelling of 74908394 in words is "seventy-four million, nine hundred eight thousand, three hundred ninety-four".