67740374 has 16 divisors (see below), whose sum is σ = 109626720. Its totient is φ = 31207680.

The previous prime is 67740373. The next prime is 67740383. The reversal of 67740374 is 47304776.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67740371) 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 7 ways as a sum of consecutive naturals, for example, 14342 + ... + 18470.

It is an arithmetic number, because the mean of its divisors is an integer number (6851670).

Almost surely, 2^67740374 is an apocalyptic number.

67740374 is a deficient number, since it is larger than the sum of its proper divisors (41886346).

67740374 is a wasteful number, since it uses less digits than its factorization.

67740374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 67740374 is about 8230.4540579484. The cubic root of 67740374 is about 407.6453850371.

The spelling of 67740374 in words is "sixty-seven million, seven hundred forty thousand, three hundred seventy-four".