82540700 has 36 divisors (see below), whose sum is σ = 195398952. Its totient is φ = 30014400.

The previous prime is 82540691. The next prime is 82540723. The reversal of 82540700 is 704528.

It is a self number, because there is not a number n which added to its sum of digits gives 82540700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36419 + ... + 38618.

Almost surely, 2^82540700 is an apocalyptic number.

It is an amenable number.

82540700 is an abundant number, since it is smaller than the sum of its proper divisors (112858252).

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

82540700 is a wasteful number, since it uses less digits than its factorization.

82540700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75062 (or 75055 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 82540700 is about 9085.1912472991. The cubic root of 82540700 is about 435.4009602885.

The spelling of 82540700 in words is "eighty-two million, five hundred forty thousand, seven hundred".