67108040 has 32 divisors (see below), whose sum is σ = 151244280. Its totient is φ = 26798592.

The previous prime is 67108039. The next prime is 67108049. The reversal of 67108040 is 4080176.

It can be written as a sum of positive squares in 4 ways, for example, as 66814276 + 293764 = 8174^2 + 542^2 .

It is not an unprimeable number, because it can be changed into a prime (67108049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34124 + ... + 36036.

Almost surely, 2^67108040 is an apocalyptic number.

It is an amenable number.

67108040 is an abundant number, since it is smaller than the sum of its proper divisors (84136240).

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

67108040 is a wasteful number, since it uses less digits than its factorization.

67108040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 67108040 is about 8191.9497068769. The cubic root of 67108040 is about 406.3730060656.

The spelling of 67108040 in words is "sixty-seven million, one hundred eight thousand, forty".