80450724 has 24 divisors (see below), whose sum is σ = 188330688. Its totient is φ = 26729440.

The previous prime is 80450723. The next prime is 80450729. The reversal of 80450724 is 42705408.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80450691 and 80450700.

It is not an unprimeable number, because it can be changed into a prime (80450723) 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, 7047 + ... + 14510.

It is an arithmetic number, because the mean of its divisors is an integer number (7847112).

Almost surely, 2^80450724 is an apocalyptic number.

It is an amenable number.

80450724 is an abundant number, since it is smaller than the sum of its proper divisors (107879964).

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

80450724 is a wasteful number, since it uses less digits than its factorization.

80450724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875 (or 21873 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 80450724 is about 8969.4327579842. The cubic root of 80450724 is about 431.6946358811.

The spelling of 80450724 in words is "eighty million, four hundred fifty thousand, seven hundred twenty-four".