73777923 has 12 divisors (see below), whose sum is σ = 110006208. Its totient is φ = 47598480.

The previous prime is 73777919. The next prime is 73777937. The reversal of 73777923 is 32977737.

It is not a de Polignac number, because 73777923 - 2² = 73777919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73777903) 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 11 ways as a sum of consecutive naturals, for example, 131940 + ... + 132497.

It is an arithmetic number, because the mean of its divisors is an integer number (9167184).

Almost surely, 2^73777923 is an apocalyptic number.

73777923 is a deficient number, since it is larger than the sum of its proper divisors (36228285).

73777923 is a wasteful number, since it uses less digits than its factorization.

73777923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264474 (or 264471 counting only the distinct ones).

The product of its digits is 388962, while the sum is 45.

The square root of 73777923 is about 8589.4076047187. The cubic root of 73777923 is about 419.4132452907.

The spelling of 73777923 in words is "seventy-three million, seven hundred seventy-seven thousand, nine hundred twenty-three".