67281478742 has 8 divisors (see below), whose sum is σ = 104177773632. Its totient is φ = 32555554200.

The previous prime is 67281478727. The next prime is 67281478793. The reversal of 67281478742 is 24787418276.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542592509 + ... + 542592632.

It is an arithmetic number, because the mean of its divisors is an integer number (13022221704).

Almost surely, 2^67281478742 is an apocalyptic number.

67281478742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

67281478742 is a deficient number, since it is larger than the sum of its proper divisors (36896294890).

67281478742 is a wasteful number, since it uses less digits than its factorization.

67281478742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085185174.

The product of its digits is 8429568, while the sum is 56.

The spelling of 67281478742 in words is "sixty-seven billion, two hundred eighty-one million, four hundred seventy-eight thousand, seven hundred forty-two".