9517458972 has 48 divisors (see below), whose sum is σ = 26483369472. Its totient is φ = 2601044160.

The previous prime is 9517458961. The next prime is 9517458983. The reversal of 9517458972 is 2798547159.

It is an interprime number because it is at equal distance from previous prime (9517458961) and next prime (9517458983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2461179 + ... + 2465042.

It is an arithmetic number, because the mean of its divisors is an integer number (551736864).

Almost surely, 2^9517458972 is an apocalyptic number.

9517458972 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9517458972 is an abundant number, since it is smaller than the sum of its proper divisors (16965910500).

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

9517458972 is a wasteful number, since it uses less digits than its factorization.

9517458972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926258 (or 4926256 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 57.

The square root of 9517458972 is about 97557.4649732146. The cubic root of 9517458972 is about 2119.2084213941.

The spelling of 9517458972 in words is "nine billion, five hundred seventeen million, four hundred fifty-eight thousand, nine hundred seventy-two".