68973263 has 4 divisors (see below), whose sum is σ = 69008400. Its totient is φ = 68938128.

The previous prime is 68973259. The next prime is 68973271. The reversal of 68973263 is 36237986.

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 68973263 - 2² = 68973259 is a prime.

It is a super-2 number, since 2×68973263² = 9514622017734338, 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 (68973283) 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, 14438 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (17252100).

Almost surely, 2^68973263 is an apocalyptic number.

68973263 is a deficient number, since it is larger than the sum of its proper divisors (35137).

68973263 is a wasteful number, since it uses less digits than its factorization.

68973263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35136.

The product of its digits is 326592, while the sum is 44.

The square root of 68973263 is about 8305.0143287053. The cubic root of 68973263 is about 410.1036085567.

The spelling of 68973263 in words is "sixty-eight million, nine hundred seventy-three thousand, two hundred sixty-three".