69994538 has 16 divisors (see below), whose sum is σ = 106331400. Its totient is φ = 34553856.

The previous prime is 69994531. The next prime is 69994541. The reversal of 69994538 is 83549996.

It can be written as a sum of positive squares in 4 ways, for example, as 31888609 + 38105929 = 5647^2 + 6173^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69994538.

It is not an unprimeable number, because it can be changed into a prime (69994531) 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, 56906 + ... + 58122.

Almost surely, 2^69994538 is an apocalyptic number.

69994538 is a deficient number, since it is larger than the sum of its proper divisors (36336862).

69994538 is a wasteful number, since it uses less digits than its factorization.

69994538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561.

The product of its digits is 2099520, while the sum is 53.

The square root of 69994538 is about 8366.2738420398. The cubic root of 69994538 is about 412.1178104352.

The spelling of 69994538 in words is "sixty-nine million, nine hundred ninety-four thousand, five hundred thirty-eight".