9726417630 has 48 divisors (see below), whose sum is σ = 26225310384. Its totient is φ = 2593710720.

The previous prime is 9726417563. The next prime is 9726417643. The reversal of 9726417630 is 367146279.

9726417630 is a `hidden beast` number, since 9 + 7 + 2 + 6 + 4 + 1 + 7 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1998891 + ... + 2003750.

It is an arithmetic number, because the mean of its divisors is an integer number (546360633).

Almost surely, 2^9726417630 is an apocalyptic number.

9726417630 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9726417630 is an abundant number, since it is smaller than the sum of its proper divisors (16498892754).

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

9726417630 is a wasteful number, since it uses less digits than its factorization.

9726417630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002663 (or 4002651 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 9726417630 is about 98622.6020240797. The cubic root of 9726417630 is about 2134.6055671223.

The spelling of 9726417630 in words is "nine billion, seven hundred twenty-six million, four hundred seventeen thousand, six hundred thirty".