622738672 has 20 divisors (see below), whose sum is σ = 1221831520. Its totient is φ = 307427328.

The previous prime is 622738643. The next prime is 622738681. The reversal of 622738672 is 276837226.

622738672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245073 + ... + 247600.

It is an arithmetic number, because the mean of its divisors is an integer number (61091576).

Almost surely, 2^622738672 is an apocalyptic number.

It is an amenable number.

622738672 is a deficient number, since it is larger than the sum of its proper divisors (599092848).

622738672 is a wasteful number, since it uses less digits than its factorization.

622738672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492760 (or 492754 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 622738672 is about 24954.7324569910. The cubic root of 622738672 is about 853.9555761581.

The spelling of 622738672 in words is "six hundred twenty-two million, seven hundred thirty-eight thousand, six hundred seventy-two".