7275812 has 12 divisors (see below), whose sum is σ = 12752796. Its totient is φ = 3632160.

The previous prime is 7275811. The next prime is 7275823. The reversal of 7275812 is 2185727.

It can be written as a sum of positive squares in 2 ways, for example, as 4734976 + 2540836 = 2176^2 + 1594^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275811) 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, 2798 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (1062733).

Almost surely, 2^7275812 is an apocalyptic number.

It is an amenable number.

7275812 is a deficient number, since it is larger than the sum of its proper divisors (5476984).

7275812 is a wasteful number, since it uses less digits than its factorization.

7275812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2876 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 7275812 is about 2697.3713129638. The cubic root of 7275812 is about 193.7732497941.

The spelling of 7275812 in words is "seven million, two hundred seventy-five thousand, eight hundred twelve".