67040379 has 80 divisors (see below), whose sum is σ = 123904000. Its totient is φ = 36006768.

The previous prime is 67040359. The next prime is 67040381. The reversal of 67040379 is 97304076.

It is not a de Polignac number, because 67040379 - 2⁹ = 67039867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67040359) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 527814 + ... + 527940.

It is an arithmetic number, because the mean of its divisors is an integer number (1548800).

Almost surely, 2^67040379 is an apocalyptic number.

67040379 is a deficient number, since it is larger than the sum of its proper divisors (56863621).

67040379 is a wasteful number, since it uses less digits than its factorization.

67040379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 67040379 is about 8187.8189403528. The cubic root of 67040379 is about 406.2363863209.

The spelling of 67040379 in words is "sixty-seven million, forty thousand, three hundred seventy-nine".