72670774 has 16 divisors (see below), whose sum is σ = 121682880. Its totient is φ = 32263560.

The previous prime is 72670753. The next prime is 72670837. The reversal of 72670774 is 47707627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37464 + ... + 39355.

It is an arithmetic number, because the mean of its divisors is an integer number (7605180).

Almost surely, 2^72670774 is an apocalyptic number.

72670774 is a deficient number, since it is larger than the sum of its proper divisors (49012106).

72670774 is a wasteful number, since it uses less digits than its factorization.

72670774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76875.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 72670774 is about 8524.7154791230. The cubic root of 72670774 is about 417.3046863931.

The spelling of 72670774 in words is "seventy-two million, six hundred seventy thousand, seven hundred seventy-four".