7427072 has 22 divisors (see below), whose sum is σ = 14848938. Its totient is φ = 3713024.

The previous prime is 7427053. The next prime is 7427083. The reversal of 7427072 is 2707247.

7427072 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 541696 = 2624^2 + 736^2 .

It is a super-2 number, since 2×7427072² = 110322796986368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603 + ... + 4650.

Almost surely, 2^7427072 is an apocalyptic number.

It is an amenable number.

7427072 is a deficient number, since it is larger than the sum of its proper divisors (7421866).

7427072 is an equidigital number, since it uses as much as digits as its factorization.

7427072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7255 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 7427072 is about 2725.2654916540. The cubic root of 7427072 is about 195.1068623129.

The spelling of 7427072 in words is "seven million, four hundred twenty-seven thousand, seventy-two".