975479728 has 80 divisors (see below), whose sum is σ = 2048083200. Its totient is φ = 449003520.

The previous prime is 975479719. The next prime is 975479819. The reversal of 975479728 is 827974579.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049568 + ... + 1050496.

It is an arithmetic number, because the mean of its divisors is an integer number (25601040).

Almost surely, 2^975479728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 975479728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024041600).

975479728 is an abundant number, since it is smaller than the sum of its proper divisors (1072603472).

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

975479728 is a wasteful number, since it uses less digits than its factorization.

975479728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1064 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 58.

The square root of 975479728 is about 31232.6708432052. The cubic root of 975479728 is about 991.7588459504.

The spelling of 975479728 in words is "nine hundred seventy-five million, four hundred seventy-nine thousand, seven hundred twenty-eight".