80733572 has 6 divisors (see below), whose sum is σ = 141283758. Its totient is φ = 40366784.

The previous prime is 80733557. The next prime is 80733581. The reversal of 80733572 is 27533708.

It can be written as a sum of positive squares in only one way, i.e., 80712256 + 21316 = 8984^2 + 146^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10091693 + ... + 10091700.

It is an arithmetic number, because the mean of its divisors is an integer number (23547293).

Almost surely, 2^80733572 is an apocalyptic number.

It is an amenable number.

80733572 is a deficient number, since it is larger than the sum of its proper divisors (60550186).

80733572 is a wasteful number, since it uses less digits than its factorization.

80733572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183397 (or 20183395 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 80733572 is about 8985.1862529388. The cubic root of 80733572 is about 432.1999602991.

The spelling of 80733572 in words is "eighty million, seven hundred thirty-three thousand, five hundred seventy-two".