67741540 has 12 divisors (see below), whose sum is σ = 142257276. Its totient is φ = 27096608.

The previous prime is 67741501. The next prime is 67741543. The reversal of 67741540 is 4514776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13483584 + 54257956 = 3672^2 + 7366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67741496 and 67741505.

It is not an unprimeable number, because it can be changed into a prime (67741543) 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 3 ways as a sum of consecutive naturals, for example, 1693519 + ... + 1693558.

It is an arithmetic number, because the mean of its divisors is an integer number (11854773).

Almost surely, 2^67741540 is an apocalyptic number.

It is an amenable number.

67741540 is an abundant number, since it is smaller than the sum of its proper divisors (74515736).

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

67741540 is a wasteful number, since it uses less digits than its factorization.

67741540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387086 (or 3387084 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 67741540 is about 8230.5248921317. The cubic root of 67741540 is about 407.6477239268.

The spelling of 67741540 in words is "sixty-seven million, seven hundred forty-one thousand, five hundred forty".