626768945 has 8 divisors (see below), whose sum is σ = 820497600. Its totient is φ = 455831920.

The previous prime is 626768917. The next prime is 626768951. The reversal of 626768945 is 549867626.

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

It is not a de Polignac number, because 626768945 - 2²⁴ = 609991729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5697845 + ... + 5697954.

It is an arithmetic number, because the mean of its divisors is an integer number (102562200).

Almost surely, 2^626768945 is an apocalyptic number.

It is an amenable number.

626768945 is a deficient number, since it is larger than the sum of its proper divisors (193728655).

626768945 is a wasteful number, since it uses less digits than its factorization.

626768945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395815.

The product of its digits is 4354560, while the sum is 53.

The square root of 626768945 is about 25035.3539020322. The cubic root of 626768945 is about 855.7938411037.

The spelling of 626768945 in words is "six hundred twenty-six million, seven hundred sixty-eight thousand, nine hundred forty-five".