64916942 has 8 divisors (see below), whose sum is σ = 98339832. Its totient is φ = 32137000.

The previous prime is 64916923. The next prime is 64916983. The reversal of 64916942 is 24961946.

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 64916942.

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 3 ways as a sum of consecutive naturals, for example, 160484 + ... + 160887.

It is an arithmetic number, because the mean of its divisors is an integer number (12292479).

Almost surely, 2^64916942 is an apocalyptic number.

64916942 is a deficient number, since it is larger than the sum of its proper divisors (33422890).

64916942 is a wasteful number, since it uses less digits than its factorization.

64916942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321474.

The product of its digits is 93312, while the sum is 41.

The square root of 64916942 is about 8057.1050632346. The cubic root of 64916942 is about 401.9012446872.

The spelling of 64916942 in words is "sixty-four million, nine hundred sixteen thousand, nine hundred forty-two".