72947022 has 16 divisors (see below), whose sum is σ = 147044352. Its totient is φ = 24123960.

The previous prime is 72947011. The next prime is 72947041. The reversal of 72947022 is 22074927.

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, 47104 + ... + 48627.

It is an arithmetic number, because the mean of its divisors is an integer number (9190272).

Almost surely, 2^72947022 is an apocalyptic number.

72947022 is an abundant number, since it is smaller than the sum of its proper divisors (74097330).

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

72947022 is a wasteful number, since it uses less digits than its factorization.

72947022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95863.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72947022 is about 8540.9028796726. The cubic root of 72947022 is about 417.8327933298.

The spelling of 72947022 in words is "seventy-two million, nine hundred forty-seven thousand, twenty-two".