68272503 has 16 divisors (see below), whose sum is σ = 100425696. Its totient is φ = 40988160.

The previous prime is 68272471. The next prime is 68272513. The reversal of 68272503 is 30527286.

It is not a de Polignac number, because 68272503 - 2⁵ = 68272471 is a prime.

It is a super-2 number, since 2×68272503² = 9322269331770018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68272513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19750 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (6276606).

Almost surely, 2^68272503 is an apocalyptic number.

68272503 is a deficient number, since it is larger than the sum of its proper divisors (32153193).

68272503 is a wasteful number, since it uses less digits than its factorization.

68272503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42754.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 68272503 is about 8262.7176522014. The cubic root of 68272503 is about 408.7100105834.

Adding to 68272503 its reverse (30527286), we get a palindrome (98799789).

The spelling of 68272503 in words is "sixty-eight million, two hundred seventy-two thousand, five hundred three".