709079628 has 18 divisors (see below), whose sum is σ = 1654734396. Its totient is φ = 236329128.

The previous prime is 709079621. The next prime is 709079659. The reversal of 709079628 is 826970907.

It is not an unprimeable number, because it can be changed into a prime (709079621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88401 + ... + 96087.

Almost surely, 2^709079628 is an apocalyptic number.

It is an amenable number.

709079628 is an abundant number, since it is smaller than the sum of its proper divisors (945654768).

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

709079628 is an frugal number, since it uses more digits than its factorization.

709079628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15381 (or 7692 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 709079628 is about 26628.5491155639. The cubic root of 709079628 is about 891.7264925223.

Multiplying 709079628 by its sum of digits (48), we get a square (34035822144 = 184488²).

The spelling of 709079628 in words is "seven hundred nine million, seventy-nine thousand, six hundred twenty-eight".