64705942 has 8 divisors (see below), whose sum is σ = 110924496. Its totient is φ = 27731112.

The previous prime is 64705919. The next prime is 64705943. The reversal of 64705942 is 24950746.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64705943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310913 + ... + 2310940.

It is an arithmetic number, because the mean of its divisors is an integer number (13865562).

Almost surely, 2^64705942 is an apocalyptic number.

64705942 is a deficient number, since it is larger than the sum of its proper divisors (46218554).

64705942 is a wasteful number, since it uses less digits than its factorization.

64705942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621862.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 64705942 is about 8044.0003729488. Note that the first 3 decimals coincide. The cubic root of 64705942 is about 401.4653379071.

The spelling of 64705942 in words is "sixty-four million, seven hundred five thousand, nine hundred forty-two".