72906674 has 8 divisors (see below), whose sum is σ = 109589760. Its totient is φ = 36376756.

The previous prime is 72906649. The next prime is 72906679. The reversal of 72906674 is 47660927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72906674² = 10630766227484552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72906679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37094 + ... + 39009.

It is an arithmetic number, because the mean of its divisors is an integer number (13698720).

Almost surely, 2^72906674 is an apocalyptic number.

72906674 is a deficient number, since it is larger than the sum of its proper divisors (36683086).

72906674 is a wasteful number, since it uses less digits than its factorization.

72906674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76584.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 72906674 is about 8538.5405076043. The cubic root of 72906674 is about 417.7557427694.

The spelling of 72906674 in words is "seventy-two million, nine hundred six thousand, six hundred seventy-four".