625029738 has 64 divisors (see below), whose sum is σ = 1384611840. Its totient is φ = 187209792.

The previous prime is 625029677. The next prime is 625029739. The reversal of 625029738 is 837920526.

It is a self number, because there is not a number n which added to its sum of digits gives 625029738.

It is not an unprimeable number, because it can be changed into a prime (625029739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332056 + ... + 333932.

It is an arithmetic number, because the mean of its divisors is an integer number (21634560).

Almost surely, 2^625029738 is an apocalyptic number.

625029738 is an abundant number, since it is smaller than the sum of its proper divisors (759582102).

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

625029738 is a wasteful number, since it uses less digits than its factorization.

625029738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 625029738 is about 25000.5947529254. The cubic root of 625029738 is about 855.0015334605.

The spelling of 625029738 in words is "six hundred twenty-five million, twenty-nine thousand, seven hundred thirty-eight".