625744134 has 12 divisors (see below), whose sum is σ = 1355778996. Its totient is φ = 208581372.

The previous prime is 625744117. The next prime is 625744193. The reversal of 625744134 is 431447526.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 17381764 + ... + 17381799.

It is an arithmetic number, because the mean of its divisors is an integer number (112981583).

Almost surely, 2^625744134 is an apocalyptic number.

625744134 is an abundant number, since it is smaller than the sum of its proper divisors (730034862).

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

625744134 is a wasteful number, since it uses less digits than its factorization.

625744134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34763571 (or 34763568 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 625744134 is about 25014.8782527519. The cubic root of 625744134 is about 855.3271590918.

The spelling of 625744134 in words is "six hundred twenty-five million, seven hundred forty-four thousand, one hundred thirty-four".