64950680 has 16 divisors (see below), whose sum is σ = 146139120. Its totient is φ = 25980256.

The previous prime is 64950649. The next prime is 64950701. The reversal of 64950680 is 8605946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811844 + ... + 811923.

It is an arithmetic number, because the mean of its divisors is an integer number (9133695).

Almost surely, 2^64950680 is an apocalyptic number.

It is an amenable number.

64950680 is an abundant number, since it is smaller than the sum of its proper divisors (81188440).

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

64950680 is a wasteful number, since it uses less digits than its factorization.

64950680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623778 (or 1623774 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 64950680 is about 8059.1984713121. The cubic root of 64950680 is about 401.9708566944.

The spelling of 64950680 in words is "sixty-four million, nine hundred fifty thousand, six hundred eighty".