68374240 has 96 divisors (see below), whose sum is σ = 179788896. Its totient is φ = 24360960.

The previous prime is 68374231. The next prime is 68374249. The reversal of 68374240 is 4247386.

It is an interprime number because it is at equal distance from previous prime (68374231) and next prime (68374249).

It is a junction number, because it is equal to n+sod(n) for n = 68374196 and 68374205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68374249) by changing a digit.

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, 92914 + ... + 93646.

It is an arithmetic number, because the mean of its divisors is an integer number (1872801).

Almost surely, 2^68374240 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 68374240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89894448).

68374240 is an abundant number, since it is smaller than the sum of its proper divisors (111414656).

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

68374240 is a wasteful number, since it uses less digits than its factorization.

68374240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 68374240 is about 8268.8717489147. The cubic root of 68374240 is about 408.9129243555.

The spelling of 68374240 in words is "sixty-eight million, three hundred seventy-four thousand, two hundred forty".