80662752 has 72 divisors (see below), whose sum is σ = 241473960. Its totient is φ = 25470720.

The previous prime is 80662721. The next prime is 80662787. The reversal of 80662752 is 25726608.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1899 + ... + 12842.

It is an arithmetic number, because the mean of its divisors is an integer number (3353805).

Almost surely, 2^80662752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80662752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120736980).

80662752 is an abundant number, since it is smaller than the sum of its proper divisors (160811208).

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

80662752 is a wasteful number, since it uses less digits than its factorization.

80662752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14776 (or 14765 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 80662752 is about 8981.2444572008. The cubic root of 80662752 is about 432.0735471488.

The spelling of 80662752 in words is "eighty million, six hundred sixty-two thousand, seven hundred fifty-two".