75479668 has 24 divisors (see below), whose sum is σ = 148748544. Its totient is φ = 33201600.

The previous prime is 75479659. The next prime is 75479671. The reversal of 75479668 is 86697457.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26305 + ... + 29032.

It is an arithmetic number, because the mean of its divisors is an integer number (6197856).

Almost surely, 2^75479668 is an apocalyptic number.

It is an amenable number.

75479668 is a deficient number, since it is larger than the sum of its proper divisors (73268876).

75479668 is a wasteful number, since it uses less digits than its factorization.

75479668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55383 (or 55381 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 75479668 is about 8687.9035445843. The cubic root of 75479668 is about 422.6134620519.

The spelling of 75479668 in words is "seventy-five million, four hundred seventy-nine thousand, six hundred sixty-eight".