80745532 has 18 divisors (see below), whose sum is σ = 164375232. Its totient is φ = 34605144.

The previous prime is 80745527. The next prime is 80745547. The reversal of 80745532 is 23554708.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205788 + ... + 206179.

Almost surely, 2^80745532 is an apocalyptic number.

It is an amenable number.

80745532 is an abundant number, since it is smaller than the sum of its proper divisors (83629700).

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

80745532 is a wasteful number, since it uses less digits than its factorization.

80745532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411985 (or 411976 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 80745532 is about 8985.8517681965. The cubic root of 80745532 is about 432.2213015089.

The spelling of 80745532 in words is "eighty million, seven hundred forty-five thousand, five hundred thirty-two".