64313970 has 96 divisors (see below), whose sum is σ = 182513088. Its totient is φ = 14458752.

The previous prime is 64313959. The next prime is 64313971. The reversal of 64313970 is 7931346.

It is not an unprimeable number, because it can be changed into a prime (64313971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98164 + ... + 98816.

It is an arithmetic number, because the mean of its divisors is an integer number (1901178).

Almost surely, 2^64313970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64313970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91256544).

64313970 is an abundant number, since it is smaller than the sum of its proper divisors (118199118).

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

64313970 is a wasteful number, since it uses less digits than its factorization.

64313970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 64313970 is about 8019.5991171629. The cubic root of 64313970 is about 400.6530374417.

It can be divided in two parts, 6431 and 3970, that added together give a palindrome (10401).

The spelling of 64313970 in words is "sixty-four million, three hundred thirteen thousand, nine hundred seventy".