82645710 has 32 divisors (see below), whose sum is σ = 226685952. Its totient is φ = 18890400.

The previous prime is 82645691. The next prime is 82645711. The reversal of 82645710 is 1754628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82645711) 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, 196566 + ... + 196985.

It is an arithmetic number, because the mean of its divisors is an integer number (7083936).

Almost surely, 2^82645710 is an apocalyptic number.

82645710 is an abundant number, since it is smaller than the sum of its proper divisors (144040242).

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

82645710 is a wasteful number, since it uses less digits than its factorization.

82645710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393568.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 82645710 is about 9090.9685952598. The cubic root of 82645710 is about 435.5855241028.

The spelling of 82645710 in words is "eighty-two million, six hundred forty-five thousand, seven hundred ten".