7272668 has 48 divisors (see below), whose sum is σ = 15311520. Its totient is φ = 2985984.

The previous prime is 7272659. The next prime is 7272673. The reversal of 7272668 is 8662727.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16580 + ... + 17012.

It is an arithmetic number, because the mean of its divisors is an integer number (318990).

Almost surely, 2^7272668 is an apocalyptic number.

It is an amenable number.

7272668 is an abundant number, since it is smaller than the sum of its proper divisors (8038852).

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

7272668 is a wasteful number, since it uses less digits than its factorization.

7272668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 7272668 is about 2696.7884603728. The cubic root of 7272668 is about 193.7453348859.

The spelling of 7272668 in words is "seven million, two hundred seventy-two thousand, six hundred sixty-eight".