65920874 has 8 divisors (see below), whose sum is σ = 99660288. Its totient is φ = 32700780.

The previous prime is 65920859. The next prime is 65920891. The reversal of 65920874 is 47802956.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129512 + ... + 130019.

It is an arithmetic number, because the mean of its divisors is an integer number (12457536).

Almost surely, 2^65920874 is an apocalyptic number.

65920874 is a deficient number, since it is larger than the sum of its proper divisors (33739414).

65920874 is a wasteful number, since it uses less digits than its factorization.

65920874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259660.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 65920874 is about 8119.1670755072. The cubic root of 65920874 is about 403.9624389155.

The spelling of 65920874 in words is "sixty-five million, nine hundred twenty thousand, eight hundred seventy-four".