68740192 has 48 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 32298112.

The previous prime is 68740181. The next prime is 68740193. The reversal of 68740192 is 29104786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68740193) 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, 42633 + ... + 44215.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^68740192 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 68740192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

68740192 is an abundant number, since it is smaller than the sum of its proper divisors (74960288).

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

68740192 is a wasteful number, since it uses less digits than its factorization.

68740192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 68740192 is about 8290.9705101393. The cubic root of 68740192 is about 409.6411533968.

The spelling of 68740192 in words is "sixty-eight million, seven hundred forty thousand, one hundred ninety-two".