69998365 has 4 divisors (see below), whose sum is σ = 83998044. Its totient is φ = 55998688.

The previous prime is 69998363. The next prime is 69998371. The reversal of 69998365 is 56389996.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9205156 + 60793209 = 3034^2 + 7797^2 .

It is a cyclic number.

It is not a de Polignac number, because 69998365 - 2¹ = 69998363 is a prime.

It is a super-2 number, since 2×69998365² = 9799542205346450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69998363) 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, 6999832 + ... + 6999841.

It is an arithmetic number, because the mean of its divisors is an integer number (20999511).

Almost surely, 2^69998365 is an apocalyptic number.

It is an amenable number.

69998365 is a deficient number, since it is larger than the sum of its proper divisors (13999679).

69998365 is a wasteful number, since it uses less digits than its factorization.

69998365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13999678.

The product of its digits is 3149280, while the sum is 55.

The square root of 69998365 is about 8366.5025548314. The cubic root of 69998365 is about 412.1253212409.

The spelling of 69998365 in words is "sixty-nine million, nine hundred ninety-eight thousand, three hundred sixty-five".