67040765479 has 8 divisors (see below), whose sum is σ = 70576058240. Its totient is φ = 63506155896.

The previous prime is 67040765471. The next prime is 67040765489. The reversal of 67040765479 is 97456704076.

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

It is a cyclic number.

It is not a de Polignac number, because 67040765479 - 2³ = 67040765471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67040765471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37144 + ... + 368050.

It is an arithmetic number, because the mean of its divisors is an integer number (8822007280).

Almost surely, 2^67040765479 is an apocalyptic number.

67040765479 is a deficient number, since it is larger than the sum of its proper divisors (3535292761).

67040765479 is a wasteful number, since it uses less digits than its factorization.

67040765479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341589.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 67040765479 in words is "sixty-seven billion, forty million, seven hundred sixty-five thousand, four hundred seventy-nine".