67394040 has 64 divisors (see below), whose sum is σ = 231068160. Its totient is φ = 15404160.

The previous prime is 67394039. The next prime is 67394077. The reversal of 67394040 is 4049376.

It is a junction number, because it is equal to n+sod(n) for n = 67393992 and 67394010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39276 + ... + 40955.

It is an arithmetic number, because the mean of its divisors is an integer number (3610440).

Almost surely, 2^67394040 is an apocalyptic number.

67394040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67394040 is an abundant number, since it is smaller than the sum of its proper divisors (163674120).

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

67394040 is a wasteful number, since it uses less digits than its factorization.

67394040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80252 (or 80248 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 67394040 is about 8209.3873096596. The cubic root of 67394040 is about 406.9494792880.

The spelling of 67394040 in words is "sixty-seven million, three hundred ninety-four thousand, forty".