9997470630 has 64 divisors (see below), whose sum is σ = 30468487680. Its totient is φ = 2285135712.

The previous prime is 9997470629. The next prime is 9997470647. The reversal of 9997470630 is 360747999.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2642944 + ... + 2646723.

It is an arithmetic number, because the mean of its divisors is an integer number (476070120).

Almost surely, 2^9997470630 is an apocalyptic number.

9997470630 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9997470630 is an abundant number, since it is smaller than the sum of its proper divisors (20471017050).

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

9997470630 is a wasteful number, since it uses less digits than its factorization.

9997470630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289690 (or 5289684 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 9997470630 is about 99987.3523501848. The cubic root of 9997470630 is about 2154.2530292991.

The spelling of 9997470630 in words is "nine billion, nine hundred ninety-seven million, four hundred seventy thousand, six hundred thirty".