7272512 has 28 divisors (see below), whose sum is σ = 15543276. Its totient is φ = 3356160.

The previous prime is 7272511. The next prime is 7272527. The reversal of 7272512 is 2152727.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 6071296 = 1096^2 + 2464^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (555117).

Almost surely, 2^7272512 is an apocalyptic number.

It is an amenable number.

7272512 is an abundant number, since it is smaller than the sum of its proper divisors (8270764).

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

7272512 is a wasteful number, since it uses less digits than its factorization.

7272512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8766 (or 8756 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 7272512 is about 2696.7595369258. The cubic root of 7272512 is about 193.7439495856.

The spelling of 7272512 in words is "seven million, two hundred seventy-two thousand, five hundred twelve".