68761272 has 32 divisors (see below), whose sum is σ = 172907280. Its totient is φ = 22786560.

The previous prime is 68761271. The next prime is 68761279. The reversal of 68761272 is 27216786.

It is a super-3 number, since 3×68761272³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68761272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68761271) 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, 4129 + ... + 12432.

Almost surely, 2^68761272 is an apocalyptic number.

It is an amenable number.

68761272 is an abundant number, since it is smaller than the sum of its proper divisors (104146008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68761272 is a wasteful number, since it uses less digits than its factorization.

68761272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16743 (or 16739 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 68761272 is about 8292.2416752046. The cubic root of 68761272 is about 409.6830228995.

The spelling of 68761272 in words is "sixty-eight million, seven hundred sixty-one thousand, two hundred seventy-two".