625754220 has 192 divisors, whose sum is σ = 2226610176. Its totient is φ = 127733760.

The previous prime is 625754201. The next prime is 625754221. The reversal of 625754220 is 22457526.

It is not an unprimeable number, because it can be changed into a prime (625754221) 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 63 ways as a sum of consecutive naturals, for example, 167412 + ... + 171108.

It is an arithmetic number, because the mean of its divisors is an integer number (11596928).

Almost surely, 2^625754220 is an apocalyptic number.

625754220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625754220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113305088).

625754220 is an abundant number, since it is smaller than the sum of its proper divisors (1600855956).

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

625754220 is a wasteful number, since it uses less digits than its factorization.

625754220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 625754220 is about 25015.0798519613. The cubic root of 625754220 is about 855.3317545714.

It can be divided in two parts, 62575 and 4220, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 625754220 in words is "six hundred twenty-five million, seven hundred fifty-four thousand, two hundred twenty".