75978412 has 12 divisors (see below), whose sum is σ = 136205496. Its totient is φ = 37062560.

The previous prime is 75978403. The next prime is 75978431. The reversal of 75978412 is 21487957.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231478 + ... + 231805.

It is an arithmetic number, because the mean of its divisors is an integer number (11350458).

Almost surely, 2^75978412 is an apocalyptic number.

It is an amenable number.

75978412 is a deficient number, since it is larger than the sum of its proper divisors (60227084).

75978412 is a wasteful number, since it uses less digits than its factorization.

75978412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463328 (or 463326 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 75978412 is about 8716.5596424277. The cubic root of 75978412 is about 423.5422480662.

The spelling of 75978412 in words is "seventy-five million, nine hundred seventy-eight thousand, four hundred twelve".