625769634 has 32 divisors (see below), whose sum is σ = 1465220736. Its totient is φ = 174430080.

The previous prime is 625769621. The next prime is 625769657. The reversal of 625769634 is 436967526.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179977 + ... + 183420.

It is an arithmetic number, because the mean of its divisors is an integer number (45788148).

Almost surely, 2^625769634 is an apocalyptic number.

625769634 is an abundant number, since it is smaller than the sum of its proper divisors (839451102).

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

625769634 is a wasteful number, since it uses less digits than its factorization.

625769634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363450.

The product of its digits is 1632960, while the sum is 48.

The square root of 625769634 is about 25015.3879442235. The cubic root of 625769634 is about 855.3387775500.

The spelling of 625769634 in words is "six hundred twenty-five million, seven hundred sixty-nine thousand, six hundred thirty-four".