706840045 has 16 divisors (see below), whose sum is σ = 874297008. Its totient is φ = 548190720.

The previous prime is 706840027. The next prime is 706840049. The reversal of 706840045 is 540048607.

It can be written as a sum of positive squares in 8 ways, for example, as 24649 + 706815396 = 157^2 + 26586^2 .

It is not a de Polignac number, because 706840045 - 2²¹ = 704742893 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 (706840049) 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, 45187 + ... + 58783.

It is an arithmetic number, because the mean of its divisors is an integer number (54643563).

Almost surely, 2^706840045 is an apocalyptic number.

It is an amenable number.

706840045 is a deficient number, since it is larger than the sum of its proper divisors (167456963).

706840045 is a wasteful number, since it uses less digits than its factorization.

706840045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13920.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 706840045 is about 26586.4635670109. The cubic root of 706840045 is about 890.7866818729.

The spelling of 706840045 in words is "seven hundred six million, eight hundred forty thousand, forty-five".