72746626 has 16 divisors (see below), whose sum is σ = 112077504. Its totient is φ = 35393904.

The previous prime is 72746603. The next prime is 72746627. The reversal of 72746626 is 62664727.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72746627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23755 + ... + 26641.

It is an arithmetic number, because the mean of its divisors is an integer number (7004844).

Almost surely, 2^72746626 is an apocalyptic number.

72746626 is a deficient number, since it is larger than the sum of its proper divisors (39330878).

72746626 is a wasteful number, since it uses less digits than its factorization.

72746626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225.

The product of its digits is 169344, while the sum is 40.

The square root of 72746626 is about 8529.1632649399. The cubic root of 72746626 is about 417.4498267602.

The spelling of 72746626 in words is "seventy-two million, seven hundred forty-six thousand, six hundred twenty-six".