64700316 has 48 divisors (see below), whose sum is σ = 168648480. Its totient is φ = 21450240.

The previous prime is 64700303. The next prime is 64700323. The reversal of 64700316 is 61300746.

64700316 is a `hidden beast` number, since 647 + 0 + 0 + 3 + 16 = 666.

It is a super-2 number, since 2×64700316² = 8372261780999712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 64700316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19756 + ... + 22796.

It is an arithmetic number, because the mean of its divisors is an integer number (3513510).

Almost surely, 2^64700316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64700316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84324240).

64700316 is an abundant number, since it is smaller than the sum of its proper divisors (103948164).

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

64700316 is a wasteful number, since it uses less digits than its factorization.

64700316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 64700316 is about 8043.6506637223. The cubic root of 64700316 is about 401.4537021418.

The spelling of 64700316 in words is "sixty-four million, seven hundred thousand, three hundred sixteen".