75979942 has 8 divisors (see below), whose sum is σ = 117900000. Its totient is φ = 36679944.

The previous prime is 75979931. The next prime is 75979961. The reversal of 75979942 is 24997957.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75979942.

It is a congruent number.

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, 654942 + ... + 655057.

It is an arithmetic number, because the mean of its divisors is an integer number (14737500).

Almost surely, 2^75979942 is an apocalyptic number.

75979942 is a deficient number, since it is larger than the sum of its proper divisors (41920058).

75979942 is a wasteful number, since it uses less digits than its factorization.

75979942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310030.

The product of its digits is 1428840, while the sum is 52.

The square root of 75979942 is about 8716.6474059698. The cubic root of 75979942 is about 423.5450910461.

The spelling of 75979942 in words is "seventy-five million, nine hundred seventy-nine thousand, nine hundred forty-two".