67942278 has 12 divisors (see below), whose sum is σ = 147208308. Its totient is φ = 22647420.

The previous prime is 67942261. The next prime is 67942321. The reversal of 67942278 is 87224976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1887268 + ... + 1887303.

It is an arithmetic number, because the mean of its divisors is an integer number (12267359).

Almost surely, 2^67942278 is an apocalyptic number.

67942278 is an abundant number, since it is smaller than the sum of its proper divisors (79266030).

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

67942278 is a wasteful number, since it uses less digits than its factorization.

67942278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774579 (or 3774576 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 67942278 is about 8242.7105978555. The cubic root of 67942278 is about 408.0499866668.

The spelling of 67942278 in words is "sixty-seven million, nine hundred forty-two thousand, two hundred seventy-eight".