79542928 has 10 divisors (see below), whose sum is σ = 154114454. Its totient is φ = 39771456.

The previous prime is 79542923. The next prime is 79542971. The reversal of 79542928 is 82924597.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 29246464 = 7092^2 + 5408^2 .

It is not an unprimeable number, because it can be changed into a prime (79542923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485701 + ... + 2485732.

Almost surely, 2^79542928 is an apocalyptic number.

It is an amenable number.

79542928 is a deficient number, since it is larger than the sum of its proper divisors (74571526).

79542928 is a wasteful number, since it uses less digits than its factorization.

79542928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971441 (or 4971435 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 79542928 is about 8918.6842078863. The cubic root of 79542928 is about 430.0647603923.

The spelling of 79542928 in words is "seventy-nine million, five hundred forty-two thousand, nine hundred twenty-eight".