9972758 has 32 divisors (see below), whose sum is σ = 16662240. Its totient is φ = 4458240.

The previous prime is 9972757. The next prime is 9972773. The reversal of 9972758 is 8572799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57560 + ... + 57732.

It is an arithmetic number, because the mean of its divisors is an integer number (520695).

Almost surely, 2^9972758 is an apocalyptic number.

9972758 is a deficient number, since it is larger than the sum of its proper divisors (6689482).

9972758 is a wasteful number, since it uses less digits than its factorization.

9972758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its digits is 317520, while the sum is 47.

The square root of 9972758 is about 3157.9673842521. The cubic root of 9972758 is about 215.2476540496.

The spelling of 9972758 in words is "nine million, nine hundred seventy-two thousand, seven hundred fifty-eight".