80764572 has 48 divisors (see below), whose sum is σ = 218339072. Its totient is φ = 22757760.

The previous prime is 80764543. The next prime is 80764577. The reversal of 80764572 is 27546708.

It is a self number, because there is not a number n which added to its sum of digits gives 80764572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80764577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454 + ... + 12717.

Almost surely, 2^80764572 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 80764572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109169536).

80764572 is an abundant number, since it is smaller than the sum of its proper divisors (137574500).

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

80764572 is a wasteful number, since it uses less digits than its factorization.

80764572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13256 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 80764572 is about 8986.9111489989. The cubic root of 80764572 is about 432.2552717965.

The spelling of 80764572 in words is "eighty million, seven hundred sixty-four thousand, five hundred seventy-two".