69381394 has 4 divisors (see below), whose sum is σ = 104072094. Its totient is φ = 34690696.

The previous prime is 69381391. The next prime is 69381397. The reversal of 69381394 is 49318396.

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

It is an interprime number because it is at equal distance from previous prime (69381391) and next prime (69381397).

It can be written as a sum of positive squares in only one way, i.e., 59490369 + 9891025 = 7713^2 + 3145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69381394.

It is not an unprimeable number, because it can be changed into a prime (69381391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17345347 + ... + 17345350.

Almost surely, 2^69381394 is an apocalyptic number.

69381394 is a deficient number, since it is larger than the sum of its proper divisors (34690700).

69381394 is a wasteful number, since it uses less digits than its factorization.

69381394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34690699.

The product of its digits is 139968, while the sum is 43.

The square root of 69381394 is about 8329.5494475992. The cubic root of 69381394 is about 410.9109114412.

The spelling of 69381394 in words is "sixty-nine million, three hundred eighty-one thousand, three hundred ninety-four".