975736628 has 6 divisors (see below), whose sum is σ = 1707539106. Its totient is φ = 487868312.

The previous prime is 975736609. The next prime is 975736651. The reversal of 975736628 is 826637579.

It can be written as a sum of positive squares in only one way, i.e., 932203024 + 43533604 = 30532^2 + 6598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 975736628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121967075 + ... + 121967082.

It is an arithmetic number, because the mean of its divisors is an integer number (284589851).

Almost surely, 2^975736628 is an apocalyptic number.

It is an amenable number.

975736628 is a deficient number, since it is larger than the sum of its proper divisors (731802478).

975736628 is a wasteful number, since it uses less digits than its factorization.

975736628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243934161 (or 243934159 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The square root of 975736628 is about 31236.7832530816. The cubic root of 975736628 is about 991.8459007185.

The spelling of 975736628 in words is "nine hundred seventy-five million, seven hundred thirty-six thousand, six hundred twenty-eight".