7272628 has 12 divisors (see below), whose sum is σ = 13884192. Its totient is φ = 3305720.

The previous prime is 7272599. The next prime is 7272637. The reversal of 7272628 is 8262727.

It is a super-2 number, since 2×7272628² = 105782236052768, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7272593 and 7272602.

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, 82600 + ... + 82687.

It is an arithmetic number, because the mean of its divisors is an integer number (1157016).

Almost surely, 2^7272628 is an apocalyptic number.

It is an amenable number.

7272628 is a deficient number, since it is larger than the sum of its proper divisors (6611564).

7272628 is a wasteful number, since it uses less digits than its factorization.

7272628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165302 (or 165300 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 7272628 is about 2696.7810441339. The cubic root of 7272628 is about 193.7449796826.

Subtracting 7272628 from its reverse (8262727), we obtain a palindrome (990099).

The spelling of 7272628 in words is "seven million, two hundred seventy-two thousand, six hundred twenty-eight".