80725492 has 24 divisors (see below), whose sum is σ = 149083200. Its totient is φ = 38170176.

The previous prime is 80725481. The next prime is 80725493. The reversal of 80725492 is 29452708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80725493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3259 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (6211800).

Almost surely, 2^80725492 is an apocalyptic number.

It is an amenable number.

80725492 is a deficient number, since it is larger than the sum of its proper divisors (68357708).

80725492 is a wasteful number, since it uses less digits than its factorization.

80725492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975 (or 9973 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80725492 is about 8984.7366127227. The cubic root of 80725492 is about 432.1855412988.

The spelling of 80725492 in words is "eighty million, seven hundred twenty-five thousand, four hundred ninety-two".