64648614 has 16 divisors (see below), whose sum is σ = 129399552. Its totient is φ = 21532488.

The previous prime is 64648613. The next prime is 64648667. The reversal of 64648614 is 41684646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64648613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5767 + ... + 12749.

It is an arithmetic number, because the mean of its divisors is an integer number (8087472).

Almost surely, 2^64648614 is an apocalyptic number.

64648614 is an abundant number, since it is smaller than the sum of its proper divisors (64750938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64648614 is a wasteful number, since it uses less digits than its factorization.

64648614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531.

The product of its digits is 110592, while the sum is 39.

The square root of 64648614 is about 8040.4361821981. The cubic root of 64648614 is about 401.3467398077.

The spelling of 64648614 in words is "sixty-four million, six hundred forty-eight thousand, six hundred fourteen".