72474810 has 32 divisors (see below), whose sum is σ = 175487040. Its totient is φ = 19154688.

The previous prime is 72474769. The next prime is 72474841. The reversal of 72474810 is 1847427.

It is a super-2 number, since 2×72474810² = 10505196169072200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7300 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (5483970).

Almost surely, 2^72474810 is an apocalyptic number.

72474810 is an abundant number, since it is smaller than the sum of its proper divisors (103012230).

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

72474810 is a wasteful number, since it uses less digits than its factorization.

72474810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21502.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 72474810 is about 8513.2138467209. The cubic root of 72474810 is about 416.9292474662.

The spelling of 72474810 in words is "seventy-two million, four hundred seventy-four thousand, eight hundred ten".