73776769 has 8 divisors (see below), whose sum is σ = 80784000. Its totient is φ = 66819600.

The previous prime is 73776767. The next prime is 73776797. The reversal of 73776769 is 96767737.

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 73776769 - 2¹ = 73776767 is a prime.

It is a super-2 number, since 2×73776769² = 10886023288158722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73776767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9394 + ... + 15355.

It is an arithmetic number, because the mean of its divisors is an integer number (10098000).

Almost surely, 2^73776769 is an apocalyptic number.

It is an amenable number.

73776769 is a deficient number, since it is larger than the sum of its proper divisors (7007231).

73776769 is a wasteful number, since it uses less digits than its factorization.

73776769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25031.

The product of its digits is 2333772, while the sum is 52.

The square root of 73776769 is about 8589.3404286942. The cubic root of 73776769 is about 419.4110585236.

The spelling of 73776769 in words is "seventy-three million, seven hundred seventy-six thousand, seven hundred sixty-nine".