67047988 has 12 divisors (see below), whose sum is σ = 134096032. Its totient is φ = 28734840.

The previous prime is 67047973. The next prime is 67047989. The reversal of 67047988 is 88974076.

67047988 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67047989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197258 + ... + 1197313.

Almost surely, 2^67047988 is an apocalyptic number.

It is an amenable number.

67047988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67047988 is a wasteful number, since it uses less digits than its factorization.

67047988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394582 (or 2394580 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 67047988 is about 8188.2835808245. The cubic root of 67047988 is about 406.2517548484.

The spelling of 67047988 in words is "sixty-seven million, forty-seven thousand, nine hundred eighty-eight".