69970706 has 16 divisors (see below), whose sum is σ = 115164504. Its totient is φ = 31684224.

The previous prime is 69970687. The next prime is 69970709. The reversal of 69970706 is 60707996.

It can be written as a sum of positive squares in 4 ways, for example, as 64722025 + 5248681 = 8045^2 + 2291^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69970709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24011 + ... + 26766.

Almost surely, 2^69970706 is an apocalyptic number.

69970706 is a deficient number, since it is larger than the sum of its proper divisors (45193798).

69970706 is a wasteful number, since it uses less digits than its factorization.

69970706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50845.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 69970706 is about 8364.8494308027. The cubic root of 69970706 is about 412.0710319920.

The spelling of 69970706 in words is "sixty-nine million, nine hundred seventy thousand, seven hundred six".