9572687964 has 144 divisors (see below), whose sum is σ = 29904795648. Its totient is φ = 2519345664.

The previous prime is 9572687963. The next prime is 9572687987. The reversal of 9572687964 is 4697862759.

It is a super-2 number, since 2×9572687964² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9572687963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177577 + ... + 225119.

It is an arithmetic number, because the mean of its divisors is an integer number (207672192).

Almost surely, 2^9572687964 is an apocalyptic number.

9572687964 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9572687964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14952397824).

9572687964 is an abundant number, since it is smaller than the sum of its proper divisors (20332107684).

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

9572687964 is a wasteful number, since it uses less digits than its factorization.

9572687964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47624 (or 47619 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 9572687964 is about 97840.1142885678. The cubic root of 9572687964 is about 2123.2997122161.

The spelling of 9572687964 in words is "nine billion, five hundred seventy-two million, six hundred eighty-seven thousand, nine hundred sixty-four".