625999752 has 80 divisors (see below), whose sum is σ = 2003876160. Its totient is φ = 178855776.

The previous prime is 625999741. The next prime is 625999793. The reversal of 625999752 is 257999526.

It is a happy number.

625999752 is a `hidden beast` number, since 625 + 9 + 9 + 9 + 7 + 5 + 2 = 666.

It is a super-3 number, since 3×625999752³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64468 + ... + 73539.

It is an arithmetic number, because the mean of its divisors is an integer number (25048452).

Almost surely, 2^625999752 is an apocalyptic number.

It is an amenable number.

625999752 is an abundant number, since it is smaller than the sum of its proper divisors (1377876408).

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

625999752 is a wasteful number, since it uses less digits than its factorization.

625999752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138032 (or 138019 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 625999752 is about 25019.9870503564. The cubic root of 625999752 is about 855.4436109775.

The spelling of 625999752 in words is "six hundred twenty-five million, nine hundred ninety-nine thousand, seven hundred fifty-two".