72712622 has 8 divisors (see below), whose sum is σ = 112016856. Its totient is φ = 35373672.

The previous prime is 72712579. The next prime is 72712631. The reversal of 72712622 is 22621727.

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

It is a super-2 number, since 2×72712622² = 10574250796229768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491228 + ... + 491375.

It is an arithmetic number, because the mean of its divisors is an integer number (14002107).

Almost surely, 2^72712622 is an apocalyptic number.

72712622 is a deficient number, since it is larger than the sum of its proper divisors (39304234).

72712622 is a wasteful number, since it uses less digits than its factorization.

72712622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982642.

The product of its digits is 4704, while the sum is 29.

The square root of 72712622 is about 8527.1696359343. The cubic root of 72712622 is about 417.3847736803.

The spelling of 72712622 in words is "seventy-two million, seven hundred twelve thousand, six hundred twenty-two".