76728448 has 32 divisors (see below), whose sum is σ = 153403920. Its totient is φ = 38227200.

The previous prime is 76728427. The next prime is 76728451. The reversal of 76728448 is 84482767.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 76728398 and 76728407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41463 + ... + 43273.

Almost surely, 2^76728448 is an apocalyptic number.

It is an amenable number.

76728448 is a deficient number, since it is larger than the sum of its proper divisors (76675472).

76728448 is a wasteful number, since it uses less digits than its factorization.

76728448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156 (or 2144 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 76728448 is about 8759.4776099948. The cubic root of 76728448 is about 424.9313808477.

The spelling of 76728448 in words is "seventy-six million, seven hundred twenty-eight thousand, four hundred forty-eight".