7966724 has 6 divisors (see below), whose sum is σ = 13941774. Its totient is φ = 3983360.

The previous prime is 7966723. The next prime is 7966747. The reversal of 7966724 is 4276697.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 25600 = 2818^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (7966723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995837 + ... + 995844.

It is an arithmetic number, because the mean of its divisors is an integer number (2323629).

Almost surely, 2^7966724 is an apocalyptic number.

It is an amenable number.

7966724 is a deficient number, since it is larger than the sum of its proper divisors (5975050).

7966724 is a wasteful number, since it uses less digits than its factorization.

7966724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991685 (or 1991683 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 7966724 is about 2822.5385736957. The cubic root of 7966724 is about 199.7223146326.

The spelling of 7966724 in words is "seven million, nine hundred sixty-six thousand, seven hundred twenty-four".