75668512 has 36 divisors (see below), whose sum is σ = 151576110. Its totient is φ = 37179648.

The previous prime is 75668497. The next prime is 75668521. The reversal of 75668512 is 21586657.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 3825936 = 8476^2 + 1956^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464143 + ... + 464305.

Almost surely, 2^75668512 is an apocalyptic number.

It is an amenable number.

75668512 is an abundant number, since it is smaller than the sum of its proper divisors (75907598).

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

75668512 is an equidigital number, since it uses as much as digits as its factorization.

75668512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 254 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 75668512 is about 8698.7649698104. The cubic root of 75668512 is about 422.9656167154.

The spelling of 75668512 in words is "seventy-five million, six hundred sixty-eight thousand, five hundred twelve".