709428075 has 12 divisors (see below), whose sum is σ = 1172921208. Its totient is φ = 378361600.

The previous prime is 709428029. The next prime is 709428091. The reversal of 709428075 is 570824907.

It is not a de Polignac number, because 709428075 - 2¹¹ = 709426027 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4729446 + ... + 4729595.

It is an arithmetic number, because the mean of its divisors is an integer number (97743434).

Almost surely, 2^709428075 is an apocalyptic number.

709428075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

709428075 is a deficient number, since it is larger than the sum of its proper divisors (463493133).

709428075 is a wasteful number, since it uses less digits than its factorization.

709428075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459054 (or 9459049 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 709428075 is about 26635.0910454611. The cubic root of 709428075 is about 891.8725356116.

The spelling of 709428075 in words is "seven hundred nine million, four hundred twenty-eight thousand, seventy-five".