67945630 has 16 divisors (see below), whose sum is σ = 122412240. Its totient is φ = 27153792.

The previous prime is 67945627. The next prime is 67945649. The reversal of 67945630 is 3654976.

It is a congruent number.

It is an unprimeable number.

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, 12262 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (7650765).

Almost surely, 2^67945630 is an apocalyptic number.

67945630 is a deficient number, since it is larger than the sum of its proper divisors (54466610).

67945630 is a wasteful number, since it uses less digits than its factorization.

67945630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 67945630 is about 8242.9139265189. The cubic root of 67945630 is about 408.0566970740.

The spelling of 67945630 in words is "sixty-seven million, nine hundred forty-five thousand, six hundred thirty".