67811942 has 16 divisors (see below), whose sum is σ = 114545664. Its totient is φ = 29829000.

The previous prime is 67811927. The next prime is 67811971. The reversal of 67811942 is 24911876.

It is a super-2 number, since 2×67811942² = 9196918955622728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67811896 and 67811905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49034 + ... + 50397.

It is an arithmetic number, because the mean of its divisors is an integer number (7159104).

Almost surely, 2^67811942 is an apocalyptic number.

67811942 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

67811942 is a deficient number, since it is larger than the sum of its proper divisors (46733722).

67811942 is a wasteful number, since it uses less digits than its factorization.

67811942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99475.

The product of its digits is 24192, while the sum is 38.

The square root of 67811942 is about 8234.8006654685. The cubic root of 67811942 is about 407.7888942175.

The spelling of 67811942 in words is "sixty-seven million, eight hundred eleven thousand, nine hundred forty-two".