64940014 has 8 divisors (see below), whose sum is σ = 97532568. Its totient is φ = 32429160.

The previous prime is 64939993. The next prime is 64940021. The reversal of 64940014 is 41004946.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18397 + ... + 21640.

It is an arithmetic number, because the mean of its divisors is an integer number (12191571).

Almost surely, 2^64940014 is an apocalyptic number.

64940014 is a deficient number, since it is larger than the sum of its proper divisors (32592554).

64940014 is a wasteful number, since it uses less digits than its factorization.

64940014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40850.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 64940014 is about 8058.5367158064. The cubic root of 64940014 is about 401.9488520191.

The spelling of 64940014 in words is "sixty-four million, nine hundred forty thousand, fourteen".