625075720 has 32 divisors (see below), whose sum is σ = 1489152600. Its totient is φ = 235322368.

The previous prime is 625075687. The next prime is 625075727. The reversal of 625075720 is 27570526.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 580906404 + 44169316 = 24102^2 + 6646^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (625075727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458935 + ... + 460294.

Almost surely, 2^625075720 is an apocalyptic number.

It is an amenable number.

625075720 is an abundant number, since it is smaller than the sum of its proper divisors (864076880).

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

625075720 is a wasteful number, since it uses less digits than its factorization.

625075720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919257 (or 919253 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 625075720 is about 25001.5143541346. The cubic root of 625075720 is about 855.0224997784.

The spelling of 625075720 in words is "six hundred twenty-five million, seventy-five thousand, seven hundred twenty".