7272866 has 8 divisors (see below), whose sum is σ = 11022060. Its totient is φ = 3598848.

The previous prime is 7272841. The next prime is 7272869. The reversal of 7272866 is 6682727.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 403225 = 2621^2 + 635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7272869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18551 + ... + 18938.

Almost surely, 2^7272866 is an apocalyptic number.

7272866 is a deficient number, since it is larger than the sum of its proper divisors (3749194).

7272866 is a wasteful number, since it uses less digits than its factorization.

7272866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37588.

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

The square root of 7272866 is about 2696.8251704551. The cubic root of 7272866 is about 193.7470931232.

The spelling of 7272866 in words is "seven million, two hundred seventy-two thousand, eight hundred sixty-six".