69999394 has 4 divisors (see below), whose sum is σ = 104999094. Its totient is φ = 34999696.

The previous prime is 69999343. The next prime is 69999407. The reversal of 69999394 is 49399996.

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

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 10478169 = 7715^2 + 3237^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17499847 + ... + 17499850.

Almost surely, 2^69999394 is an apocalyptic number.

69999394 is a deficient number, since it is larger than the sum of its proper divisors (34999700).

69999394 is a wasteful number, since it uses less digits than its factorization.

69999394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34999699.

The product of its digits is 4251528, while the sum is 58.

The square root of 69999394 is about 8366.5640498355. The cubic root of 69999394 is about 412.1273406922.

The spelling of 69999394 in words is "sixty-nine million, nine hundred ninety-nine thousand, three hundred ninety-four".