67996743 has 8 divisors (see below), whose sum is σ = 90706800. Its totient is φ = 45308928.

The previous prime is 67996739. The next prime is 67996751. The reversal of 67996743 is 34769976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67996743 - 2² = 67996739 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67996703) 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 7 ways as a sum of consecutive naturals, for example, 3853 + ... + 12281.

It is an arithmetic number, because the mean of its divisors is an integer number (11338350).

Almost surely, 2^67996743 is an apocalyptic number.

67996743 is a deficient number, since it is larger than the sum of its proper divisors (22710057).

67996743 is a wasteful number, since it uses less digits than its factorization.

67996743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121.

The product of its digits is 1714608, while the sum is 51.

The square root of 67996743 is about 8246.0137642378. The cubic root of 67996743 is about 408.1589934452.

The spelling of 67996743 in words is "sixty-seven million, nine hundred ninety-six thousand, seven hundred forty-three".