67940579 has 8 divisors (see below), whose sum is σ = 78415968. Its totient is φ = 57657600.

The previous prime is 67940569. The next prime is 67940581. The reversal of 67940579 is 97504976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67940579 - 2¹² = 67936483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67940569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47342 + ... + 48755.

It is an arithmetic number, because the mean of its divisors is an integer number (9801996).

Almost surely, 2^67940579 is an apocalyptic number.

67940579 is a deficient number, since it is larger than the sum of its proper divisors (10475389).

67940579 is a wasteful number, since it uses less digits than its factorization.

67940579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96205.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 67940579 is about 8242.6075364535. The cubic root of 67940579 is about 408.0465853349.

The spelling of 67940579 in words is "sixty-seven million, nine hundred forty thousand, five hundred seventy-nine".