67982240 has 24 divisors (see below), whose sum is σ = 160608420. Its totient is φ = 27192832.

The previous prime is 67982237. The next prime is 67982249. The reversal of 67982240 is 4228976.

It can be written as a sum of positive squares in 2 ways, for example, as 67831696 + 150544 = 8236^2 + 388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67982194 and 67982203.

It is not an unprimeable number, because it can be changed into a prime (67982249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212285 + ... + 212604.

Almost surely, 2^67982240 is an apocalyptic number.

It is an amenable number.

67982240 is an abundant number, since it is smaller than the sum of its proper divisors (92626180).

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

67982240 is a wasteful number, since it uses less digits than its factorization.

67982240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424904 (or 424896 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 67982240 is about 8245.1343227385. The cubic root of 67982240 is about 408.1299726886.

The spelling of 67982240 in words is "sixty-seven million, nine hundred eighty-two thousand, two hundred forty".