82970372 has 6 divisors (see below), whose sum is σ = 145198158. Its totient is φ = 41485184.

The previous prime is 82970357. The next prime is 82970383. The reversal of 82970372 is 27307928.

It can be written as a sum of positive squares in only one way, i.e., 53202436 + 29767936 = 7294^2 + 5456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10371293 + ... + 10371300.

It is an arithmetic number, because the mean of its divisors is an integer number (24199693).

Almost surely, 2^82970372 is an apocalyptic number.

It is an amenable number.

82970372 is a deficient number, since it is larger than the sum of its proper divisors (62227786).

82970372 is a wasteful number, since it uses less digits than its factorization.

82970372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20742597 (or 20742595 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 82970372 is about 9108.8073862608. The cubic root of 82970372 is about 436.1551575829.

The spelling of 82970372 in words is "eighty-two million, nine hundred seventy thousand, three hundred seventy-two".