80609472 has 56 divisors (see below), whose sum is σ = 236982000. Its totient is φ = 26869248.

The previous prime is 80609453. The next prime is 80609479. The reversal of 80609472 is 27490608.

80609472 is a `hidden beast` number, since 8 + 0 + 609 + 47 + 2 = 666.

It is a super-2 number, since 2×80609472² = 12995773952237568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80609479) 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, 21597 + ... + 25052.

Almost surely, 2^80609472 is an apocalyptic number.

It is an amenable number.

80609472 is an abundant number, since it is smaller than the sum of its proper divisors (156372528).

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

80609472 is a wasteful number, since it uses less digits than its factorization.

80609472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46670 (or 46654 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80609472 is about 8978.2777858563. The cubic root of 80609472 is about 431.9783939811.

The spelling of 80609472 in words is "eighty million, six hundred nine thousand, four hundred seventy-two".