64730860 has 12 divisors (see below), whose sum is σ = 135934848. Its totient is φ = 25892336.

The previous prime is 64730839. The next prime is 64730881. The reversal of 64730860 is 6803746.

It is an interprime number because it is at equal distance from previous prime (64730839) and next prime (64730881).

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, 1618252 + ... + 1618291.

It is an arithmetic number, because the mean of its divisors is an integer number (11327904).

Almost surely, 2^64730860 is an apocalyptic number.

It is an amenable number.

64730860 is an abundant number, since it is smaller than the sum of its proper divisors (71203988).

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

64730860 is a wasteful number, since it uses less digits than its factorization.

64730860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236552 (or 3236550 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 64730860 is about 8045.5490800815. The cubic root of 64730860 is about 401.5168655263.

The spelling of 64730860 in words is "sixty-four million, seven hundred thirty thousand, eight hundred sixty".