672620959 has 4 divisors (see below), whose sum is σ = 674298720. Its totient is φ = 670943200.

The previous prime is 672620951. The next prime is 672620969. The reversal of 672620959 is 959026276.

672620959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672620959 - 2³ = 672620951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672620951) 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, 838279 + ... + 839080.

It is an arithmetic number, because the mean of its divisors is an integer number (168574680).

Almost surely, 2^672620959 is an apocalyptic number.

672620959 is a deficient number, since it is larger than the sum of its proper divisors (1677761).

672620959 is a wasteful number, since it uses less digits than its factorization.

672620959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677760.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 672620959 is about 25934.9370348185. The cubic root of 672620959 is about 876.1735367680.

The spelling of 672620959 in words is "six hundred seventy-two million, six hundred twenty thousand, nine hundred fifty-nine".