975648420 has 72 divisors (see below), whose sum is σ = 2996972160. Its totient is φ = 256875840.

The previous prime is 975648413. The next prime is 975648469. The reversal of 975648420 is 24846579.

It is a happy number.

975648420 is a `hidden beast` number, since 9 + 7 + 564 + 84 + 2 + 0 = 666.

975648420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 20086 + ... + 48525.

Almost surely, 2^975648420 is an apocalyptic number.

975648420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

975648420 is an abundant number, since it is smaller than the sum of its proper divisors (2021323740).

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

975648420 is a wasteful number, since it uses less digits than its factorization.

975648420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68705 (or 68700 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 975648420 is about 31235.3712960163. The cubic root of 975648420 is about 991.8160117173.

The spelling of 975648420 in words is "nine hundred seventy-five million, six hundred forty-eight thousand, four hundred twenty".