707628 has 24 divisors (see below), whose sum is σ = 1669360. Its totient is φ = 233280.

The previous prime is 707627. The next prime is 707633. The reversal of 707628 is 826707.

It is a junction number, because it is equal to n+sod(n) for n = 707595 and 707604.

It is not an unprimeable number, because it can be changed into a prime (707627) 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, 1038 + ... + 1578.

2⁷⁰⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

707628 is an abundant number, since it is smaller than the sum of its proper divisors (961732).

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

707628 is a wasteful number, since it uses less digits than its factorization.

707628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 707628 is about 841.2062767241. The cubic root of 707628 is about 89.1117562563. Note that the first 3 decimals are identical.

The spelling of 707628 in words is "seven hundred seven thousand, six hundred twenty-eight".