75486868 has 24 divisors (see below), whose sum is σ = 140194152. Its totient is φ = 35441664.

The previous prime is 75486857. The next prime is 75486877. The reversal of 75486868 is 86868457.

It can be written as a sum of positive squares in 4 ways, for example, as 12475024 + 63011844 = 3532^2 + 7938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36880 + ... + 38872.

It is an arithmetic number, because the mean of its divisors is an integer number (5841423).

Almost surely, 2^75486868 is an apocalyptic number.

It is an amenable number.

75486868 is a deficient number, since it is larger than the sum of its proper divisors (64707284).

75486868 is a wasteful number, since it uses less digits than its factorization.

75486868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2569 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 75486868 is about 8688.3179039444. The cubic root of 75486868 is about 422.6268993137.

The spelling of 75486868 in words is "seventy-five million, four hundred eighty-six thousand, eight hundred sixty-eight".