69690263 has 8 divisors (see below), whose sum is σ = 72953856. Its totient is φ = 66490200.

The previous prime is 69690241. The next prime is 69690281. The reversal of 69690263 is 36209696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69690263 - 2⁸ = 69690007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69690263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69690223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13631 + ... + 18032.

It is an arithmetic number, because the mean of its divisors is an integer number (9119232).

Almost surely, 2^69690263 is an apocalyptic number.

69690263 is a deficient number, since it is larger than the sum of its proper divisors (3263593).

69690263 is a wasteful number, since it uses less digits than its factorization.

69690263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31765.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 69690263 is about 8348.0694175360. The cubic root of 69690263 is about 411.5197671395.

The spelling of 69690263 in words is "sixty-nine million, six hundred ninety thousand, two hundred sixty-three".