625750064 has 10 divisors (see below), whose sum is σ = 1212390780. Its totient is φ = 312875024.

The previous prime is 625750063. The next prime is 625750067. The reversal of 625750064 is 460057526.

It is not an unprimeable number, because it can be changed into a prime (625750063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19554674 + ... + 19554705.

It is an arithmetic number, because the mean of its divisors is an integer number (121239078).

Almost surely, 2^625750064 is an apocalyptic number.

It is an amenable number.

625750064 is a deficient number, since it is larger than the sum of its proper divisors (586640716).

625750064 is a wasteful number, since it uses less digits than its factorization.

625750064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39109387 (or 39109381 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 625750064 is about 25014.9967819306. The cubic root of 625750064 is about 855.3298609810.

The spelling of 625750064 in words is "six hundred twenty-five million, seven hundred fifty thousand, sixty-four".