72874690 has 64 divisors (see below), whose sum is σ = 159264000. Its totient is φ = 23452416.

The previous prime is 72874673. The next prime is 72874691. The reversal of 72874690 is 9647827.

It is a super-2 number, since 2×72874690² = 10621440885192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72874691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208636 + ... + 208984.

It is an arithmetic number, because the mean of its divisors is an integer number (2488500).

Almost surely, 2^72874690 is an apocalyptic number.

72874690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72874690 is an abundant number, since it is smaller than the sum of its proper divisors (86389310).

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

72874690 is a wasteful number, since it uses less digits than its factorization.

72874690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 72874690 is about 8536.6673825328. The cubic root of 72874690 is about 417.6946443207.

The spelling of 72874690 in words is "seventy-two million, eight hundred seventy-four thousand, six hundred ninety".