75430868 has 6 divisors (see below), whose sum is σ = 132004026. Its totient is φ = 37715432.

The previous prime is 75430867. The next prime is 75430871. The reversal of 75430868 is 86803457.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43191184 + 32239684 = 6572^2 + 5678^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75430867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9428855 + ... + 9428862.

It is an arithmetic number, because the mean of its divisors is an integer number (22000671).

Almost surely, 2^75430868 is an apocalyptic number.

It is an amenable number.

75430868 is a deficient number, since it is larger than the sum of its proper divisors (56573158).

75430868 is a wasteful number, since it uses less digits than its factorization.

75430868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18857721 (or 18857719 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 75430868 is about 8685.0945878557. The cubic root of 75430868 is about 422.5223647463.

The spelling of 75430868 in words is "seventy-five million, four hundred thirty thousand, eight hundred sixty-eight".