67760769 has 4 divisors (see below), whose sum is σ = 90347696. Its totient is φ = 45173844.

The previous prime is 67760753. The next prime is 67760779. The reversal of 67760769 is 96706776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67760769 - 2⁴ = 67760753 is a prime.

It is a super-3 number, since 3×67760769³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67760779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11293459 + ... + 11293464.

It is an arithmetic number, because the mean of its divisors is an integer number (22586924).

Almost surely, 2^67760769 is an apocalyptic number.

It is an amenable number.

67760769 is a deficient number, since it is larger than the sum of its proper divisors (22586927).

67760769 is a wasteful number, since it uses less digits than its factorization.

67760769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586926.

The product of its (nonzero) digits is 666792, while the sum is 48.

The square root of 67760769 is about 8231.6929607463. The cubic root of 67760769 is about 407.6862916776.

The spelling of 67760769 in words is "sixty-seven million, seven hundred sixty thousand, seven hundred sixty-nine".