72472074 has 16 divisors (see below), whose sum is σ = 145548480. Its totient is φ = 24056640.

The previous prime is 72472069. The next prime is 72472109. The reversal of 72472074 is 47027427.

It is a super-2 number, since 2×72472074² = 10504403019722952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23614 + ... + 26505.

It is an arithmetic number, because the mean of its divisors is an integer number (9096780).

Almost surely, 2^72472074 is an apocalyptic number.

72472074 is an abundant number, since it is smaller than the sum of its proper divisors (73076406).

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

72472074 is a wasteful number, since it uses less digits than its factorization.

72472074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50365.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 72472074 is about 8513.0531538338. The cubic root of 72472074 is about 416.9240008949.

The spelling of 72472074 in words is "seventy-two million, four hundred seventy-two thousand, seventy-four".