79752970 has 32 divisors (see below), whose sum is σ = 157101120. Its totient is φ = 28909440.

The previous prime is 79752961. The next prime is 79752979. The reversal of 79752970 is 7925797.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79752961) and next prime (79752979).

It is a self number, because there is not a number n which added to its sum of digits gives 79752970.

It is not an unprimeable number, because it can be changed into a prime (79752979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40734 + ... + 42646.

It is an arithmetic number, because the mean of its divisors is an integer number (4909410).

Almost surely, 2^79752970 is an apocalyptic number.

79752970 is a deficient number, since it is larger than the sum of its proper divisors (77348150).

79752970 is a wasteful number, since it uses less digits than its factorization.

79752970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 79752970 is about 8930.4518362735. The cubic root of 79752970 is about 430.4429723876.

The spelling of 79752970 in words is "seventy-nine million, seven hundred fifty-two thousand, nine hundred seventy".