74638528 has 14 divisors (see below), whose sum is σ = 148110956. Its totient is φ = 37319232.

The previous prime is 74638523. The next prime is 74638579. The reversal of 74638528 is 82583647.

It is not an unprimeable number, because it can be changed into a prime (74638523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583050 + ... + 583177.

It is an arithmetic number, because the mean of its divisors is an integer number (10579354).

Almost surely, 2^74638528 is an apocalyptic number.

It is an amenable number.

74638528 is a deficient number, since it is larger than the sum of its proper divisors (73472428).

74638528 is a wasteful number, since it uses less digits than its factorization.

74638528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166239 (or 1166229 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 74638528 is about 8639.3592354989. The cubic root of 74638528 is about 421.0377361924.

The spelling of 74638528 in words is "seventy-four million, six hundred thirty-eight thousand, five hundred twenty-eight".