7480724 has 12 divisors (see below), whose sum is σ = 13542900. Its totient is φ = 3611328.

The previous prime is 7480723. The next prime is 7480729. The reversal of 7480724 is 4270847.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 3204100 = 2068^2 + 1790^2 .

It is a super-2 number, since 2×7480724² = 111922463128352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7480721) 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, 32129 + ... + 32360.

It is an arithmetic number, because the mean of its divisors is an integer number (1128575).

Almost surely, 2^7480724 is an apocalyptic number.

It is an amenable number.

7480724 is a deficient number, since it is larger than the sum of its proper divisors (6062176).

7480724 is a wasteful number, since it uses less digits than its factorization.

7480724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64522 (or 64520 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 7480724 is about 2735.0912233416. The cubic root of 7480724 is about 195.5755426560.

The spelling of 7480724 in words is "seven million, four hundred eighty thousand, seven hundred twenty-four".