64960236 has 72 divisors (see below), whose sum is σ = 183547728. Its totient is φ = 19200000.

The previous prime is 64960193. The next prime is 64960237. The reversal of 64960236 is 63206946.

64960236 is a `hidden beast` number, since 6 + 49 + 602 + 3 + 6 = 666.

It is a super-2 number, since 2×64960236² = 8439664522351392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64960236.

It is not an unprimeable number, because it can be changed into a prime (64960237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14236 + ... + 18236.

It is an arithmetic number, because the mean of its divisors is an integer number (2549274).

Almost surely, 2^64960236 is an apocalyptic number.

64960236 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64960236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91773864).

64960236 is an abundant number, since it is smaller than the sum of its proper divisors (118587492).

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

64960236 is a wasteful number, since it uses less digits than its factorization.

64960236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 64960236 is about 8059.7913124348. The cubic root of 64960236 is about 401.9905693191.

The spelling of 64960236 in words is "sixty-four million, nine hundred sixty thousand, two hundred thirty-six".