73867923 has 16 divisors (see below), whose sum is σ = 110822400. Its totient is φ = 48620520.

The previous prime is 73867919. The next prime is 73867933. The reversal of 73867923 is 32976837.

It is a happy number.

It is not a de Polignac number, because 73867923 - 2² = 73867919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73867933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15183 + ... + 19448.

It is an arithmetic number, because the mean of its divisors is an integer number (6926400).

Almost surely, 2^73867923 is an apocalyptic number.

73867923 is a deficient number, since it is larger than the sum of its proper divisors (36954477).

73867923 is a wasteful number, since it uses less digits than its factorization.

73867923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34719 (or 34713 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 73867923 is about 8594.6450188475. The cubic root of 73867923 is about 419.5837201968.

The spelling of 73867923 in words is "seventy-three million, eight hundred sixty-seven thousand, nine hundred twenty-three".