67730814 has 24 divisors (see below), whose sum is σ = 153131472. Its totient is φ = 21595200.

The previous prime is 67730813. The next prime is 67730849. The reversal of 67730814 is 41803776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67730813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81387 + ... + 82214.

It is an arithmetic number, because the mean of its divisors is an integer number (6380478).

Almost surely, 2^67730814 is an apocalyptic number.

67730814 is an abundant number, since it is smaller than the sum of its proper divisors (85400658).

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

67730814 is a wasteful number, since it uses less digits than its factorization.

67730814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163632 (or 163629 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 67730814 is about 8229.8732675540. The cubic root of 67730814 is about 407.6262075363.

The spelling of 67730814 in words is "sixty-seven million, seven hundred thirty thousand, eight hundred fourteen".