67278772 has 48 divisors (see below), whose sum is σ = 141120000. Its totient is φ = 27704160.

The previous prime is 67278751. The next prime is 67278797. The reversal of 67278772 is 27787276.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 15 ways as a sum of consecutive naturals, for example, 17479 + ... + 20977.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2^67278772 is an apocalyptic number.

It is an amenable number.

67278772 is an abundant number, since it is smaller than the sum of its proper divisors (73841228).

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

67278772 is a wasteful number, since it uses less digits than its factorization.

67278772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3554 counting only the distinct ones).

The product of its digits is 460992, while the sum is 46.

The square root of 67278772 is about 8202.3638056355. The cubic root of 67278772 is about 406.7173369930.

The spelling of 67278772 in words is "sixty-seven million, two hundred seventy-eight thousand, seven hundred seventy-two".