67012740 has 36 divisors (see below), whose sum is σ = 203272524. Its totient is φ = 17870016.

The previous prime is 67012739. The next prime is 67012783. The reversal of 67012740 is 4721076.

67012740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47775744 + 19236996 = 6912^2 + 4386^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185967 + ... + 186326.

It is an arithmetic number, because the mean of its divisors is an integer number (5646459).

Almost surely, 2^67012740 is an apocalyptic number.

67012740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67012740 is an abundant number, since it is smaller than the sum of its proper divisors (136259784).

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

67012740 is a wasteful number, since it uses less digits than its factorization.

67012740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372308 (or 372303 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 67012740 is about 8186.1309542421. The cubic root of 67012740 is about 406.1805517577.

The spelling of 67012740 in words is "sixty-seven million, twelve thousand, seven hundred forty".