79470128 has 20 divisors (see below), whose sum is σ = 154227480. Its totient is φ = 39669504.

The previous prime is 79470113. The next prime is 79470137. The reversal of 79470128 is 82107497.

It is a junction number, because it is equal to n+sod(n) for n = 79470091 and 79470100.

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 in 3 ways as a sum of consecutive naturals, for example, 6776 + ... + 14312.

It is an arithmetic number, because the mean of its divisors is an integer number (7711374).

Almost surely, 2^79470128 is an apocalyptic number.

It is an amenable number.

79470128 is a deficient number, since it is larger than the sum of its proper divisors (74757352).

79470128 is a wasteful number, since it uses less digits than its factorization.

79470128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8198 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 79470128 is about 8914.6019540976. The cubic root of 79470128 is about 429.9335177549.

The spelling of 79470128 in words is "seventy-nine million, four hundred seventy thousand, one hundred twenty-eight".