69378369 has 4 divisors (see below), whose sum is σ = 92504496. Its totient is φ = 46252244.

The previous prime is 69378319. The next prime is 69378371. The reversal of 69378369 is 96387396.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69378369 - 2¹² = 69374273 is a prime.

It is a super-2 number, since 2×69378369² = 9626716170200322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69378319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11563059 + ... + 11563064.

It is an arithmetic number, because the mean of its divisors is an integer number (23126124).

Almost surely, 2^69378369 is an apocalyptic number.

It is an amenable number.

69378369 is a deficient number, since it is larger than the sum of its proper divisors (23126127).

69378369 is a wasteful number, since it uses less digits than its factorization.

69378369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23126126.

The product of its digits is 1469664, while the sum is 51.

The square root of 69378369 is about 8329.3678631694. The cubic root of 69378369 is about 410.9049395060.

The spelling of 69378369 in words is "sixty-nine million, three hundred seventy-eight thousand, three hundred sixty-nine".