9975572 has 12 divisors (see below), whose sum is σ = 17482080. Its totient is φ = 4980696.

The previous prime is 9975569. The next prime is 9975593. The reversal of 9975572 is 2755799.

It is a d-powerful number, because it can be written as 9² + 9³ + 7 + 5² + 5⁶ + 7⁸ + 2²² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2579 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (1456840).

Almost surely, 2^9975572 is an apocalyptic number.

9975572 is the 2579-th pentagonal number.

It is an amenable number.

9975572 is a deficient number, since it is larger than the sum of its proper divisors (7506508).

9975572 is a wasteful number, since it uses less digits than its factorization.

9975572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3548 counting only the distinct ones).

The product of its digits is 198450, while the sum is 44.

The square root of 9975572 is about 3158.4128925775. The cubic root of 9975572 is about 215.2678975281.

The spelling of 9975572 in words is "nine million, nine hundred seventy-five thousand, five hundred seventy-two".