67650340 has 12 divisors (see below), whose sum is σ = 142065756. Its totient is φ = 27060128.

The previous prime is 67650283. The next prime is 67650377. The reversal of 67650340 is 4305676.

It can be written as a sum of positive squares in 2 ways, for example, as 39262756 + 28387584 = 6266^2 + 5328^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691239 + ... + 1691278.

It is an arithmetic number, because the mean of its divisors is an integer number (11838813).

Almost surely, 2^67650340 is an apocalyptic number.

It is an amenable number.

67650340 is an abundant number, since it is smaller than the sum of its proper divisors (74415416).

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

67650340 is a wasteful number, since it uses less digits than its factorization.

67650340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382526 (or 3382524 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 67650340 is about 8224.9826747538. The cubic root of 67650340 is about 407.4647039322.

The spelling of 67650340 in words is "sixty-seven million, six hundred fifty thousand, three hundred forty".