67869942 has 64 divisors (see below), whose sum is σ = 160704000. Its totient is φ = 18708480.

The previous prime is 67869931. The next prime is 67869973. The reversal of 67869942 is 24996876.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150934 + ... + 151382.

It is an arithmetic number, because the mean of its divisors is an integer number (2511000).

Almost surely, 2^67869942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67869942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80352000).

67869942 is an abundant number, since it is smaller than the sum of its proper divisors (92834058).

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

67869942 is a wasteful number, since it uses less digits than its factorization.

67869942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 1306368, while the sum is 51.

The square root of 67869942 is about 8238.3215523552. The cubic root of 67869942 is about 407.9051225946.

The spelling of 67869942 in words is "sixty-seven million, eight hundred sixty-nine thousand, nine hundred forty-two".