67973830 has 32 divisors (see below), whose sum is σ = 129288960. Its totient is φ = 25659360.

The previous prime is 67973827. The next prime is 67973831. The reversal of 67973830 is 3837976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67973831) 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 15 ways as a sum of consecutive naturals, for example, 65415 + ... + 66445.

It is an arithmetic number, because the mean of its divisors is an integer number (4040280).

Almost surely, 2^67973830 is an apocalyptic number.

67973830 is a deficient number, since it is larger than the sum of its proper divisors (61315130).

67973830 is a wasteful number, since it uses less digits than its factorization.

67973830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 67973830 is about 8244.6243092090. The cubic root of 67973830 is about 408.1131422408.

The spelling of 67973830 in words is "sixty-seven million, nine hundred seventy-three thousand, eight hundred thirty".