74328448 has 16 divisors (see below), whose sum is σ = 148076460. Its totient is φ = 37164160.

The previous prime is 74328431. The next prime is 74328451. The reversal of 74328448 is 84482347.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 74328448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290218 + ... + 290473.

Almost surely, 2^74328448 is an apocalyptic number.

It is an amenable number.

74328448 is a deficient number, since it is larger than the sum of its proper divisors (73748012).

74328448 is an equidigital number, since it uses as much as digits as its factorization.

74328448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580705 (or 580693 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 74328448 is about 8621.3947827483. The cubic root of 74328448 is about 420.4538706506.

The spelling of 74328448 in words is "seventy-four million, three hundred twenty-eight thousand, four hundred forty-eight".