64682460 has 72 divisors (see below), whose sum is σ = 206540880. Its totient is φ = 16339968.

The previous prime is 64682447. The next prime is 64682473. The reversal of 64682460 is 6428646.

It is a happy number.

64682460 is a `hidden beast` number, since 646 + 8 + 2 + 4 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (64682447) and next prime (64682473).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6037 + ... + 12876.

Almost surely, 2^64682460 is an apocalyptic number.

64682460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64682460 is an abundant number, since it is smaller than the sum of its proper divisors (141858420).

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

64682460 is a wasteful number, since it uses less digits than its factorization.

64682460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947 (or 18942 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 64682460 is about 8042.5406433539. The cubic root of 64682460 is about 401.4167676656.

The spelling of 64682460 in words is "sixty-four million, six hundred eighty-two thousand, four hundred sixty".