706945949 has 4 divisors (see below), whose sum is σ = 707579964. Its totient is φ = 706311936.

The previous prime is 706945937. The next prime is 706945961. The reversal of 706945949 is 949549607.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (706945937) and next prime (706945961).

It can be written as a sum of positive squares in 2 ways, for example, as 9721924 + 697224025 = 3118^2 + 26405^2 .

It is a cyclic number.

It is not a de Polignac number, because 706945949 - 2⁴ = 706945933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 706945949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706945919) 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, 315332 + ... + 317565.

It is an arithmetic number, because the mean of its divisors is an integer number (176894991).

Almost surely, 2^706945949 is an apocalyptic number.

It is an amenable number.

706945949 is a deficient number, since it is larger than the sum of its proper divisors (634015).

706945949 is a wasteful number, since it uses less digits than its factorization.

706945949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634014.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 706945949 is about 26588.4551826540. The cubic root of 706945949 is about 890.8311677328.

The spelling of 706945949 in words is "seven hundred six million, nine hundred forty-five thousand, nine hundred forty-nine".