68746392 has 144 divisors (see below), whose sum is σ = 220758720. Its totient is φ = 19198080.

The previous prime is 68746373. The next prime is 68746399. The reversal of 68746392 is 29364786.

68746392 is a `hidden beast` number, since 6 + 8 + 7 + 4 + 639 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68746399) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112953 + ... + 113559.

Almost surely, 2^68746392 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 68746392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110379360).

68746392 is an abundant number, since it is smaller than the sum of its proper divisors (152012328).

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

68746392 is a wasteful number, since it uses less digits than its factorization.

68746392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 636 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 68746392 is about 8291.3444024477. The cubic root of 68746392 is about 409.6534688449.

The spelling of 68746392 in words is "sixty-eight million, seven hundred forty-six thousand, three hundred ninety-two".