672602688 has 168 divisors, whose sum is σ = 2059457400. Its totient is φ = 209141760.

The previous prime is 672602681. The next prime is 672602741. The reversal of 672602688 is 886206276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35141184 + 637461504 = 5928^2 + 25248^2 .

It is not an unprimeable number, because it can be changed into a prime (672602681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1458778 + ... + 1459238.

It is an arithmetic number, because the mean of its divisors is an integer number (12258675).

Almost surely, 2^672602688 is an apocalyptic number.

672602688 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672602688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029728700).

672602688 is an abundant number, since it is smaller than the sum of its proper divisors (1386854712).

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

672602688 is a wasteful number, since it uses less digits than its factorization.

672602688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 672602688 is about 25934.5847855716. The cubic root of 672602688 is about 876.1656032697.

The spelling of 672602688 in words is "six hundred seventy-two million, six hundred two thousand, six hundred eighty-eight".