706070069 has 4 divisors (see below), whose sum is σ = 706876044. Its totient is φ = 705264096.

The previous prime is 706070033. The next prime is 706070119. The reversal of 706070069 is 960070607.

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

It can be written as a sum of positive squares in 2 ways, for example, as 538704100 + 167365969 = 23210^2 + 12937^2 .

It is a cyclic number.

It is not a de Polignac number, because 706070069 - 2²⁴ = 689292853 is a prime.

It is a super-2 number, since 2×706070069² = 997069884675329522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706070369) 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, 401672 + ... + 403425.

It is an arithmetic number, because the mean of its divisors is an integer number (176719011).

Almost surely, 2^706070069 is an apocalyptic number.

It is an amenable number.

706070069 is a deficient number, since it is larger than the sum of its proper divisors (805975).

706070069 is an equidigital number, since it uses as much as digits as its factorization.

706070069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805974.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 706070069 is about 26571.9790192601. The cubic root of 706070069 is about 890.4631133507.

The spelling of 706070069 in words is "seven hundred six million, seventy thousand, sixty-nine".