672617968 has 40 divisors (see below), whose sum is σ = 1460107440. Its totient is φ = 297469440.

The previous prime is 672617947. The next prime is 672617969. The reversal of 672617968 is 869716276.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672617969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45133 + ... + 58156.

It is an arithmetic number, because the mean of its divisors is an integer number (36502686).

Almost surely, 2^672617968 is an apocalyptic number.

It is an amenable number.

672617968 is an abundant number, since it is smaller than the sum of its proper divisors (787489472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672617968 is a wasteful number, since it uses less digits than its factorization.

672617968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103345 (or 103339 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 672617968 is about 25934.8793712252. The cubic root of 672617968 is about 876.1722380479.

The spelling of 672617968 in words is "six hundred seventy-two million, six hundred seventeen thousand, nine hundred sixty-eight".