67968774 has 16 divisors (see below), whose sum is σ = 151041840. Its totient is φ = 22656240.

The previous prime is 67968763. The next prime is 67968787. The reversal of 67968774 is 47786976.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1258681 = 67968774 / (6 + 7 + 9 + 6 + 8 + 7 + 7 + 4).

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 67968774.

It is a congruent number.

It is an unprimeable number.

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, 629287 + ... + 629394.

It is an arithmetic number, because the mean of its divisors is an integer number (9440115).

Almost surely, 2^67968774 is an apocalyptic number.

67968774 is an abundant number, since it is smaller than the sum of its proper divisors (83073066).

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

67968774 is a wasteful number, since it uses less digits than its factorization.

67968774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258692 (or 1258686 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 67968774 is about 8244.3176794687. The cubic root of 67968774 is about 408.1030232916.

The spelling of 67968774 in words is "sixty-seven million, nine hundred sixty-eight thousand, seven hundred seventy-four".