64713340 has 24 divisors (see below), whose sum is σ = 136291680. Its totient is φ = 25810368.

The previous prime is 64713317. The next prime is 64713343. The reversal of 64713340 is 4331746.

It is a junction number, because it is equal to n+sod(n) for n = 64713299 and 64713308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64713343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (5678820).

Almost surely, 2^64713340 is an apocalyptic number.

It is an amenable number.

64713340 is an abundant number, since it is smaller than the sum of its proper divisors (71578340).

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

64713340 is a wasteful number, since it uses less digits than its factorization.

64713340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381 (or 9379 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 64713340 is about 8044.4602056322. The cubic root of 64713340 is about 401.4806375189.

The spelling of 64713340 in words is "sixty-four million, seven hundred thirteen thousand, three hundred forty".