68461392 has 80 divisors (see below), whose sum is σ = 184432640. Its totient is φ = 21859200.

The previous prime is 68461387. The next prime is 68461399. The reversal of 68461392 is 29316486.

It is a self number, because there is not a number n which added to its sum of digits gives 68461392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68461399) 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, 206667 + ... + 206997.

It is an arithmetic number, because the mean of its divisors is an integer number (2305408).

Almost surely, 2^68461392 is an apocalyptic number.

68461392 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68461392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92216320).

68461392 is an abundant number, since it is smaller than the sum of its proper divisors (115971248).

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

68461392 is a wasteful number, since it uses less digits than its factorization.

68461392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 506 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 68461392 is about 8274.1399553065. The cubic root of 68461392 is about 409.0865884347.

The spelling of 68461392 in words is "sixty-eight million, four hundred sixty-one thousand, three hundred ninety-two".