709938140 has 48 divisors (see below), whose sum is σ = 1516132128. Its totient is φ = 279189504.

The previous prime is 709938101. The next prime is 709938157. The reversal of 709938140 is 41839907.

It is a happy number.

709938140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631619 + ... + 632741.

It is an arithmetic number, because the mean of its divisors is an integer number (31586086).

Almost surely, 2^709938140 is an apocalyptic number.

It is an amenable number.

709938140 is an abundant number, since it is smaller than the sum of its proper divisors (806193988).

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

709938140 is a wasteful number, since it uses less digits than its factorization.

709938140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 709938140 is about 26644.6643814479. The cubic root of 709938140 is about 892.0862307462.

The spelling of 709938140 in words is "seven hundred nine million, nine hundred thirty-eight thousand, one hundred forty".