64657414 has 16 divisors (see below), whose sum is σ = 101711520. Its totient is φ = 30784320.

The previous prime is 64657381. The next prime is 64657421. The reversal of 64657414 is 41475646.

It is a super-4 number, since 4×64657414⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (6356970).

Almost surely, 2^64657414 is an apocalyptic number.

64657414 is a deficient number, since it is larger than the sum of its proper divisors (37054106).

64657414 is a wasteful number, since it uses less digits than its factorization.

64657414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375.

The product of its digits is 80640, while the sum is 37.

The square root of 64657414 is about 8040.9833975702. The cubic root of 64657414 is about 401.3649494843.

The spelling of 64657414 in words is "sixty-four million, six hundred fifty-seven thousand, four hundred fourteen".