739889709 has 16 divisors (see below), whose sum is σ = 1065486912. Its totient is φ = 453996288.

The previous prime is 739889707. The next prime is 739889719. The reversal of 739889709 is 907988937.

It is a happy number.

It is not a de Polignac number, because 739889709 - 2¹ = 739889707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (739889701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13804 + ... + 40869.

It is an arithmetic number, because the mean of its divisors is an integer number (66592932).

Almost surely, 2^739889709 is an apocalyptic number.

It is an amenable number.

739889709 is a deficient number, since it is larger than the sum of its proper divisors (325597203).

739889709 is a wasteful number, since it uses less digits than its factorization.

739889709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55036.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The square root of 739889709 is about 27200.9137530341. The cubic root of 739889709 is about 904.4592310808.

The spelling of 739889709 in words is "seven hundred thirty-nine million, eight hundred eighty-nine thousand, seven hundred nine".