626352673 has 4 divisors (see below), whose sum is σ = 636968880. Its totient is φ = 615736468.

The previous prime is 626352533. The next prime is 626352703. The reversal of 626352673 is 376253626.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 626352673 - 2⁹ = 626352161 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626352073) 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, 5308015 + ... + 5308132.

It is an arithmetic number, because the mean of its divisors is an integer number (159242220).

Almost surely, 2^626352673 is an apocalyptic number.

It is an amenable number.

626352673 is a deficient number, since it is larger than the sum of its proper divisors (10616207).

626352673 is a wasteful number, since it uses less digits than its factorization.

626352673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616206.

The product of its digits is 272160, while the sum is 40.

The square root of 626352673 is about 25027.0388380248. The cubic root of 626352673 is about 855.6043391016.

The spelling of 626352673 in words is "six hundred twenty-six million, three hundred fifty-two thousand, six hundred seventy-three".