69072263 has 4 divisors (see below), whose sum is σ = 74385528. Its totient is φ = 63759000.

The previous prime is 69072253. The next prime is 69072271. The reversal of 69072263 is 36227096.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69072263 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 (69072203) 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, 2656613 + ... + 2656638.

It is an arithmetic number, because the mean of its divisors is an integer number (18596382).

Almost surely, 2^69072263 is an apocalyptic number.

69072263 is a deficient number, since it is larger than the sum of its proper divisors (5313265).

69072263 is a wasteful number, since it uses less digits than its factorization.

69072263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313264.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 69072263 is about 8310.9724461100. The cubic root of 69072263 is about 410.2997272938.

The spelling of 69072263 in words is "sixty-nine million, seventy-two thousand, two hundred sixty-three".