625555742 has 8 divisors (see below), whose sum is σ = 1072381296. Its totient is φ = 268095312.

The previous prime is 625555741. The next prime is 625555769. The reversal of 625555742 is 247555526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 625555742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625555741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22341263 + ... + 22341290.

It is an arithmetic number, because the mean of its divisors is an integer number (134047662).

Almost surely, 2^625555742 is an apocalyptic number.

625555742 is a deficient number, since it is larger than the sum of its proper divisors (446825554).

625555742 is a wasteful number, since it uses less digits than its factorization.

625555742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44682562.

The product of its digits is 420000, while the sum is 41.

The square root of 625555742 is about 25011.1123703045. The cubic root of 625555742 is about 855.2413130517.

The spelling of 625555742 in words is "six hundred twenty-five million, five hundred fifty-five thousand, seven hundred forty-two".