69240863 has 4 divisors (see below), whose sum is σ = 69853728. Its totient is φ = 68628000.

The previous prime is 69240851. The next prime is 69240907. The reversal of 69240863 is 36804296.

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

It is a cyclic number.

It is not a de Polignac number, because 69240863 - 2¹⁸ = 68978719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69240803) 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, 306263 + ... + 306488.

It is an arithmetic number, because the mean of its divisors is an integer number (17463432).

Almost surely, 2^69240863 is an apocalyptic number.

69240863 is a deficient number, since it is larger than the sum of its proper divisors (612865).

69240863 is a wasteful number, since it uses less digits than its factorization.

69240863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612864.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 69240863 is about 8321.1094813132. The cubic root of 69240863 is about 410.6332925696.

The spelling of 69240863 in words is "sixty-nine million, two hundred forty thousand, eight hundred sixty-three".