67832840 has 32 divisors (see below), whose sum is σ = 156752280. Its totient is φ = 26399232.

The previous prime is 67832767. The next prime is 67832861. The reversal of 67832840 is 4823876.

It can be written as a sum of positive squares in 4 ways, for example, as 65966884 + 1865956 = 8122^2 + 1366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67832794 and 67832803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21437 + ... + 24396.

Almost surely, 2^67832840 is an apocalyptic number.

It is an amenable number.

67832840 is an abundant number, since it is smaller than the sum of its proper divisors (88919440).

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

67832840 is a wasteful number, since it uses less digits than its factorization.

67832840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45881 (or 45877 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 67832840 is about 8236.0694508971. The cubic root of 67832840 is about 407.8307801390.

The spelling of 67832840 in words is "sixty-seven million, eight hundred thirty-two thousand, eight hundred forty".