67691934 has 24 divisors (see below), whose sum is σ = 146855280. Its totient is φ = 22534848.

The previous prime is 67691929. The next prime is 67691957. The reversal of 67691934 is 43919676.

It is a self number, because there is not a number n which added to its sum of digits gives 67691934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15462 + ... + 19350.

It is an arithmetic number, because the mean of its divisors is an integer number (6118970).

Almost surely, 2^67691934 is an apocalyptic number.

67691934 is an abundant number, since it is smaller than the sum of its proper divisors (79163346).

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

67691934 is a wasteful number, since it uses less digits than its factorization.

67691934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864 (or 4861 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 67691934 is about 8227.5108021807. The cubic root of 67691934 is about 407.5481950851.

The spelling of 67691934 in words is "sixty-seven million, six hundred ninety-one thousand, nine hundred thirty-four".