707000728 has 32 divisors (see below), whose sum is σ = 1515929760. Its totient is φ = 302814720.

The previous prime is 707000713. The next prime is 707000729. The reversal of 707000728 is 827000707.

707000728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 707000728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707000729) 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, 128400 + ... + 133792.

It is an arithmetic number, because the mean of its divisors is an integer number (47372805).

Almost surely, 2^707000728 is an apocalyptic number.

It is an amenable number.

707000728 is an abundant number, since it is smaller than the sum of its proper divisors (808929032).

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

707000728 is a wasteful number, since it uses less digits than its factorization.

707000728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747 (or 7743 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 707000728 is about 26589.4852902421. The cubic root of 707000728 is about 890.8541763661.

The spelling of 707000728 in words is "seven hundred seven million, seven hundred twenty-eight", and thus it is an aban number.