64713250 has 32 divisors (see below), whose sum is σ = 138453120. Its totient is φ = 22186800.

The previous prime is 64713247. The next prime is 64713263. The reversal of 64713250 is 5231746.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16740 + ... + 20239.

It is an arithmetic number, because the mean of its divisors is an integer number (4326660).

Almost surely, 2^64713250 is an apocalyptic number.

64713250 is an abundant number, since it is smaller than the sum of its proper divisors (73739870).

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

64713250 is a wasteful number, since it uses less digits than its factorization.

64713250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37003 (or 36993 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64713250 is about 8044.4546117186. The cubic root of 64713250 is about 401.4804513992.

Adding to 64713250 its reverse (5231746), we get a palindrome (69944996).

The spelling of 64713250 in words is "sixty-four million, seven hundred thirteen thousand, two hundred fifty".