64610680 has 32 divisors (see below), whose sum is σ = 151696800. Its totient is φ = 24720256.

The previous prime is 64610669. The next prime is 64610683. The reversal of 64610680 is 8601646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64610683) 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, 34195 + ... + 36034.

It is an arithmetic number, because the mean of its divisors is an integer number (4740525).

Almost surely, 2^64610680 is an apocalyptic number.

It is an amenable number.

64610680 is an abundant number, since it is smaller than the sum of its proper divisors (87086120).

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

64610680 is a wasteful number, since it uses less digits than its factorization.

64610680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70263 (or 70259 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 64610680 is about 8038.0768844295. The cubic root of 64610680 is about 401.2682247653.

The spelling of 64610680 in words is "sixty-four million, six hundred ten thousand, six hundred eighty".