64977714 has 48 divisors (see below), whose sum is σ = 152373312. Its totient is φ = 20713968.

The previous prime is 64977683. The next prime is 64977721. The reversal of 64977714 is 41777946.

It is a self number, because there is not a number n which added to its sum of digits gives 64977714.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8272 + ... + 14084.

It is an arithmetic number, because the mean of its divisors is an integer number (3174444).

Almost surely, 2^64977714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64977714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76186656).

64977714 is an abundant number, since it is smaller than the sum of its proper divisors (87395598).

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

64977714 is a wasteful number, since it uses less digits than its factorization.

64977714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853 (or 5841 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 64977714 is about 8060.8755107618. The cubic root of 64977714 is about 402.0266188656.

The spelling of 64977714 in words is "sixty-four million, nine hundred seventy-seven thousand, seven hundred fourteen".