67742812 has 18 divisors (see below), whose sum is σ = 122504424. Its totient is φ = 32776920.

The previous prime is 67742789. The next prime is 67742813. The reversal of 67742812 is 21824776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67742813) 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 5 ways as a sum of consecutive naturals, for example, 4968 + ... + 12655.

Almost surely, 2^67742812 is an apocalyptic number.

67742812 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67742812 is a deficient number, since it is larger than the sum of its proper divisors (54761612).

67742812 is a wasteful number, since it uses less digits than its factorization.

67742812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689 (or 17656 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 67742812 is about 8230.6021650910. The cubic root of 67742812 is about 407.6502754122.

The spelling of 67742812 in words is "sixty-seven million, seven hundred forty-two thousand, eight hundred twelve".