9975672 has 48 divisors (see below), whose sum is σ = 30878640. Its totient is φ = 2850048.

The previous prime is 9975643. The next prime is 9975683. The reversal of 9975672 is 2765799.

9975672 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9393 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (643305).

Almost surely, 2^9975672 is an apocalyptic number.

It is an amenable number.

9975672 is an abundant number, since it is smaller than the sum of its proper divisors (20902968).

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

9975672 is a wasteful number, since it uses less digits than its factorization.

9975672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19812 (or 19805 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 9975672 is about 3158.4287232736. The cubic root of 9975672 is about 215.2686168425.

The spelling of 9975672 in words is "nine million, nine hundred seventy-five thousand, six hundred seventy-two".