7212864 has 28 divisors (see below), whose sum is σ = 19084544. Its totient is φ = 2404224.

The previous prime is 7212859. The next prime is 7212871. The reversal of 7212864 is 4682127.

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, 18592 + ... + 18975.

Almost surely, 2^7212864 is an apocalyptic number.

It is an amenable number.

7212864 is an abundant number, since it is smaller than the sum of its proper divisors (11871680).

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

7212864 is a wasteful number, since it uses less digits than its factorization.

7212864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37582 (or 37572 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 7212864 is about 2685.6775681381. The cubic root of 7212864 is about 193.2128090132.

The spelling of 7212864 in words is "seven million, two hundred twelve thousand, eight hundred sixty-four".