82970628 has 24 divisors (see below), whose sum is σ = 208490688. Its totient is φ = 25529376.

The previous prime is 82970621. The next prime is 82970639. The reversal of 82970628 is 82607928.

It is a happy number.

It is a super-2 number, since 2×82970628² = 13768250221428768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82970628.

It is not an unprimeable number, because it can be changed into a prime (82970621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265776 + ... + 266087.

It is an arithmetic number, because the mean of its divisors is an integer number (8687112).

Almost surely, 2^82970628 is an apocalyptic number.

It is an amenable number.

82970628 is an abundant number, since it is smaller than the sum of its proper divisors (125520060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82970628 is a wasteful number, since it uses less digits than its factorization.

82970628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531883 (or 531881 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 82970628 is about 9108.8214385836. The cubic root of 82970628 is about 436.1556061591.

The spelling of 82970628 in words is "eighty-two million, nine hundred seventy thousand, six hundred twenty-eight".