7275944 has 32 divisors (see below), whose sum is σ = 15042720. Its totient is φ = 3278016.

The previous prime is 7275943. The next prime is 7275967. The reversal of 7275944 is 4495727.

It is a super-2 number, since 2×7275944² = 105878722182272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7275898 and 7275907.

It is not an unprimeable number, because it can be changed into a prime (7275943) 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 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (470085).

Almost surely, 2^7275944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7275944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7521360).

7275944 is an abundant number, since it is smaller than the sum of its proper divisors (7766776).

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

7275944 is a wasteful number, since it uses less digits than its factorization.

7275944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1685 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 7275944 is about 2697.3957811193. The cubic root of 7275944 is about 193.7744216181.

The spelling of 7275944 in words is "seven million, two hundred seventy-five thousand, nine hundred forty-four".