67940892 has 18 divisors (see below), whose sum is σ = 171739568. Its totient is φ = 22646952.

The previous prime is 67940879. The next prime is 67940893. The reversal of 67940892 is 29804976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67940893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943588 + ... + 943659.

Almost surely, 2^67940892 is an apocalyptic number.

It is an amenable number.

67940892 is an abundant number, since it is smaller than the sum of its proper divisors (103798676).

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

67940892 is a wasteful number, since it uses less digits than its factorization.

67940892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887257 (or 1887252 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 67940892 is about 8242.6265231418. The cubic root of 67940892 is about 408.0472119530.

The spelling of 67940892 in words is "sixty-seven million, nine hundred forty thousand, eight hundred ninety-two".