69930745 has 8 divisors (see below), whose sum is σ = 86810760. Its totient is φ = 54015360.

The previous prime is 69930733. The next prime is 69930779. The reversal of 69930745 is 54703996.

It can be written as a sum of positive squares in 4 ways, for example, as 17397241 + 52533504 = 4171^2 + 7248^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69930745 - 2⁵ = 69930713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240996 + ... + 241285.

It is an arithmetic number, because the mean of its divisors is an integer number (10851345).

Almost surely, 2^69930745 is an apocalyptic number.

It is an amenable number.

69930745 is a deficient number, since it is larger than the sum of its proper divisors (16880015).

69930745 is a wasteful number, since it uses less digits than its factorization.

69930745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482315.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 69930745 is about 8362.4604632847. The cubic root of 69930745 is about 411.9925710320.

The spelling of 69930745 in words is "sixty-nine million, nine hundred thirty thousand, seven hundred forty-five".