80906572 has 12 divisors (see below), whose sum is σ = 141649816. Its totient is φ = 40435200.

The previous prime is 80906569. The next prime is 80906591. The reversal of 80906572 is 27560908.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13708 + ... + 18700.

Almost surely, 2^80906572 is an apocalyptic number.

It is an amenable number.

80906572 is a deficient number, since it is larger than the sum of its proper divisors (60743244).

80906572 is a wasteful number, since it uses less digits than its factorization.

80906572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 80906572 is about 8994.8080579855. The cubic root of 80906572 is about 432.5084533971.

The spelling of 80906572 in words is "eighty million, nine hundred six thousand, five hundred seventy-two".