82580750 has 32 divisors (see below), whose sum is σ = 176679360. Its totient is φ = 28312800.

The previous prime is 82580749. The next prime is 82580753. The reversal of 82580750 is 5708528.

82580750 = 750² + 751² + ... + 874².

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 82580750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82580753) 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, 21845 + ... + 25344.

It is an arithmetic number, because the mean of its divisors is an integer number (5521230).

Almost surely, 2^82580750 is an apocalyptic number.

82580750 is an abundant number, since it is smaller than the sum of its proper divisors (94098610).

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

82580750 is a wasteful number, since it uses less digits than its factorization.

82580750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47213 (or 47203 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 82580750 is about 9087.3951163136. The cubic root of 82580750 is about 435.4713699525.

The spelling of 82580750 in words is "eighty-two million, five hundred eighty thousand, seven hundred fifty".