7970724 has 60 divisors (see below), whose sum is σ = 21185164. Its totient is φ = 2612736.

The previous prime is 7970701. The next prime is 7970731. The reversal of 7970724 is 4270797.

It can be written as a sum of positive squares in 2 ways, for example, as 3305124 + 4665600 = 1818^2 + 2160^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23484 + ... + 23820.

Almost surely, 2^7970724 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 7970724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10592582).

7970724 is an abundant number, since it is smaller than the sum of its proper divisors (13214440).

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

7970724 is a wasteful number, since it uses less digits than its factorization.

7970724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 7970724 is about 2823.2470667655. The cubic root of 7970724 is about 199.7557351281.

The spelling of 7970724 in words is "seven million, nine hundred seventy thousand, seven hundred twenty-four".