67056769 has 8 divisors (see below), whose sum is σ = 72541952. Its totient is φ = 61618320.

The previous prime is 67056763. The next prime is 67056877. The reversal of 67056769 is 96765076.

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 67056769 - 2³ = 67056761 is a prime.

It is a super-2 number, since 2×67056769² = 8993220537438722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67056761) 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, 8667 + ... + 14464.

It is an arithmetic number, because the mean of its divisors is an integer number (9067744).

Almost surely, 2^67056769 is an apocalyptic number.

It is an amenable number.

67056769 is a deficient number, since it is larger than the sum of its proper divisors (5485183).

67056769 is a wasteful number, since it uses less digits than its factorization.

67056769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23367.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 67056769 is about 8188.8197562286. The cubic root of 67056769 is about 406.2694891163.

The spelling of 67056769 in words is "sixty-seven million, fifty-six thousand, seven hundred sixty-nine".