68249272 has 64 divisors (see below), whose sum is σ = 158558400. Its totient is φ = 26818560.

The previous prime is 68249263. The next prime is 68249287. The reversal of 68249272 is 27294286.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175254 + ... + 175642.

It is an arithmetic number, because the mean of its divisors is an integer number (2477475).

Almost surely, 2^68249272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68249272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79279200).

68249272 is an abundant number, since it is smaller than the sum of its proper divisors (90309128).

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

68249272 is a wasteful number, since it uses less digits than its factorization.

68249272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 652 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 68249272 is about 8261.3117602473. The cubic root of 68249272 is about 408.6636482415.

The spelling of 68249272 in words is "sixty-eight million, two hundred forty-nine thousand, two hundred seventy-two".