706750039 has 4 divisors (see below), whose sum is σ = 731120760. Its totient is φ = 682379320.

The previous prime is 706750001. The next prime is 706750067. The reversal of 706750039 is 930057607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930057607 = 17 ⋅54709271.

It is a cyclic number.

It is not a de Polignac number, because 706750039 - 2²³ = 698361431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706760039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12185317 + ... + 12185374.

It is an arithmetic number, because the mean of its divisors is an integer number (182780190).

Almost surely, 2^706750039 is an apocalyptic number.

706750039 is a deficient number, since it is larger than the sum of its proper divisors (24370721).

706750039 is a wasteful number, since it uses less digits than its factorization.

706750039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24370720.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 706750039 is about 26584.7708096196. The cubic root of 706750039 is about 890.7488706076.

The spelling of 706750039 in words is "seven hundred six million, seven hundred fifty thousand, thirty-nine".