64979296 has 48 divisors (see below), whose sum is σ = 131604480. Its totient is φ = 31570560.

The previous prime is 64979279. The next prime is 64979309. The reversal of 64979296 is 69297946.

64979296 = T₁₉₃ + T₁₉₄ + ... + T₇₃₄.

64979296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239641 + ... + 239911.

It is an arithmetic number, because the mean of its divisors is an integer number (2741760).

Almost surely, 2^64979296 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 64979296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65802240).

64979296 is an abundant number, since it is smaller than the sum of its proper divisors (66625184).

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

64979296 is a wasteful number, since it uses less digits than its factorization.

64979296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 459 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 64979296 is about 8060.9736384633. The cubic root of 64979296 is about 402.0298815275.

The spelling of 64979296 in words is "sixty-four million, nine hundred seventy-nine thousand, two hundred ninety-six".