709623542 has 12 divisors (see below), whose sum is σ = 1099882548. Its totient is φ = 343365300.

The previous prime is 709623529. The next prime is 709623557. The reversal of 709623542 is 245326907.

It is a junction number, because it is equal to n+sod(n) for n = 709623496 and 709623505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182684 + ... + 186527.

It is an arithmetic number, because the mean of its divisors is an integer number (91656879).

Almost surely, 2^709623542 is an apocalyptic number.

709623542 is a deficient number, since it is larger than the sum of its proper divisors (390259006).

709623542 is a wasteful number, since it uses less digits than its factorization.

709623542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369275 (or 369244 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 709623542 is about 26638.7601438205. The cubic root of 709623542 is about 891.9544399166.

The spelling of 709623542 in words is "seven hundred nine million, six hundred twenty-three thousand, five hundred forty-two".