75320606916 has 135 divisors (see below), whose sum is σ = 200465590941. Its totient is φ = 24660619776.

The previous prime is 75320606909. The next prime is 75320606917. The reversal of 75320606916 is 61960602357.

The square root of 75320606916 is 274446.

It is a perfect power (a square), and thus also a powerful number.

75320606916 is a `hidden beast` number, since 7 + 5 + 3 + 20 + 606 + 9 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18249308100 + 57071298816 = 135090^2 + 238896^2 .

It is not an unprimeable number, because it can be changed into a prime (75320606917) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 390262116 + ... + 390262308.

Almost surely, 2^75320606916 is an apocalyptic number.

75320606916 is the 274446-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75320606916

75320606916 is an abundant number, since it is smaller than the sum of its proper divisors (125144984025).

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

75320606916 is an equidigital number, since it uses as much as digits as its factorization.

75320606916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 75320606916 in words is "seventy-five billion, three hundred twenty million, six hundred six thousand, nine hundred sixteen".