625627470 has 64 divisors (see below), whose sum is σ = 1619634240. Its totient is φ = 153750528.

The previous prime is 625627427. The next prime is 625627477. The reversal of 625627470 is 74726526.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625627477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388026 + ... + 389634.

It is an arithmetic number, because the mean of its divisors is an integer number (25306785).

Almost surely, 2^625627470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625627470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809817120).

625627470 is an abundant number, since it is smaller than the sum of its proper divisors (994006770).

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

625627470 is a wasteful number, since it uses less digits than its factorization.

625627470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 625627470 is about 25012.5462518313. The cubic root of 625627470 is about 855.2739999360.

The spelling of 625627470 in words is "six hundred twenty-five million, six hundred twenty-seven thousand, four hundred seventy".