706499739 has 20 divisors (see below), whose sum is σ = 1151334360. Its totient is φ = 428181120.

The previous prime is 706499737. The next prime is 706499749. The reversal of 706499739 is 937994607.

It is not a de Polignac number, because 706499739 - 2¹ = 706499737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706499737) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 395574 + ... + 397355.

It is an arithmetic number, because the mean of its divisors is an integer number (57566718).

Almost surely, 2^706499739 is an apocalyptic number.

706499739 is a deficient number, since it is larger than the sum of its proper divisors (444834621).

706499739 is a wasteful number, since it uses less digits than its factorization.

706499739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792952 (or 792943 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 706499739 is about 26580.0628103095. The cubic root of 706499739 is about 890.6437034078.

The spelling of 706499739 in words is "seven hundred six million, four hundred ninety-nine thousand, seven hundred thirty-nine".