74396456 has 8 divisors (see below), whose sum is σ = 139493370. Its totient is φ = 37198224.

The previous prime is 74396447. The next prime is 74396461. The reversal of 74396456 is 65469347.

It can be written as a sum of positive squares in only one way, i.e., 73376356 + 1020100 = 8566^2 + 1010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 4649771 + ... + 4649786.

Almost surely, 2^74396456 is an apocalyptic number.

It is an amenable number.

74396456 is a deficient number, since it is larger than the sum of its proper divisors (65096914).

74396456 is a wasteful number, since it uses less digits than its factorization.

74396456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299563 (or 9299559 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 74396456 is about 8625.3380223618. The cubic root of 74396456 is about 420.5820652209.

The spelling of 74396456 in words is "seventy-four million, three hundred ninety-six thousand, four hundred fifty-six".