7272831 has 8 divisors (see below), whose sum is σ = 9959344. Its totient is φ = 4717440.

The previous prime is 7272829. The next prime is 7272833. The reversal of 7272831 is 1382727.

It is an interprime number because it is at equal distance from previous prime (7272829) and next prime (7272833).

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

It is not a de Polignac number, because 7272831 - 2¹ = 7272829 is a prime.

It is a super-2 number, since 2×7272831² = 105788141509122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32650 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (1244918).

Almost surely, 2^7272831 is an apocalyptic number.

7272831 is a deficient number, since it is larger than the sum of its proper divisors (2686513).

7272831 is a wasteful number, since it uses less digits than its factorization.

7272831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65561.

The product of its digits is 4704, while the sum is 30.

The square root of 7272831 is about 2696.8186813355. The cubic root of 7272831 is about 193.7467823260.

The spelling of 7272831 in words is "seven million, two hundred seventy-two thousand, eight hundred thirty-one".