9726620975 has 24 divisors (see below), whose sum is σ = 12795855120. Its totient is φ = 7309022720.

The previous prime is 9726620957. The next prime is 9726620989. The reversal of 9726620975 is 5790266279.

It is a happy number.

It is not a de Polignac number, because 9726620975 - 2²⁶ = 9659512111 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193844 + ... + 238806.

It is an arithmetic number, because the mean of its divisors is an integer number (533160630).

Almost surely, 2^9726620975 is an apocalyptic number.

9726620975 is a deficient number, since it is larger than the sum of its proper divisors (3069234145).

9726620975 is a wasteful number, since it uses less digits than its factorization.

9726620975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45499 (or 45494 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 9726620975 is about 98623.6329436307. The cubic root of 9726620975 is about 2134.6204427035.

The spelling of 9726620975 in words is "nine billion, seven hundred twenty-six million, six hundred twenty thousand, nine hundred seventy-five".