64951696 has 40 divisors (see below), whose sum is σ = 137562624. Its totient is φ = 29575680.

The previous prime is 64951693. The next prime is 64951717. The reversal of 64951696 is 69615946.

It is not an unprimeable number, because it can be changed into a prime (64951693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581 + ... + 12283.

Almost surely, 2^64951696 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 64951696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68781312).

64951696 is an abundant number, since it is smaller than the sum of its proper divisors (72610928).

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

64951696 is a wasteful number, since it uses less digits than its factorization.

64951696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759 (or 7753 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 64951696 is about 8059.2615046293. The cubic root of 64951696 is about 401.9729526451.

The spelling of 64951696 in words is "sixty-four million, nine hundred fifty-one thousand, six hundred ninety-six".