180724474 has 16 divisors (see below), whose sum is σ = 317370816. Its totient is φ = 75564000.

The previous prime is 180724469. The next prime is 180724477. The reversal of 180724474 is 474427081.

It is a super-2 number, since 2×180724474² = 65322671005153352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180724477) 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, 156852 + ... + 157999.

It is an arithmetic number, because the mean of its divisors is an integer number (19835676).

Almost surely, 2^180724474 is an apocalyptic number.

180724474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

180724474 is a deficient number, since it is larger than the sum of its proper divisors (136646342).

180724474 is a wasteful number, since it uses less digits than its factorization.

180724474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314901.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 180724474 is about 13443.3803040753. The cubic root of 180724474 is about 565.3781101276.

The spelling of 180724474 in words is "one hundred eighty million, seven hundred twenty-four thousand, four hundred seventy-four".