68802340 has 24 divisors (see below), whose sum is σ = 146112120. Its totient is φ = 27211008.

The previous prime is 68802329. The next prime is 68802341. The reversal of 68802340 is 4320886.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 541696 + 68260644 = 736^2 + 8262^2 .

It is not an unprimeable number, because it can be changed into a prime (68802341) 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, 17547 + ... + 21106.

It is an arithmetic number, because the mean of its divisors is an integer number (6088005).

Almost surely, 2^68802340 is an apocalyptic number.

It is an amenable number.

68802340 is an abundant number, since it is smaller than the sum of its proper divisors (77309780).

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

68802340 is a wasteful number, since it uses less digits than its factorization.

68802340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38751 (or 38749 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 68802340 is about 8294.7175961572. The cubic root of 68802340 is about 409.7645683850.

The spelling of 68802340 in words is "sixty-eight million, eight hundred two thousand, three hundred forty".