73944018 has 24 divisors (see below), whose sum is σ = 160550208. Its totient is φ = 24595992.

The previous prime is 73943993. The next prime is 73944023. The reversal of 73944018 is 81044937.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4971 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (6689592).

Almost surely, 2^73944018 is an apocalyptic number.

73944018 is an abundant number, since it is smaller than the sum of its proper divisors (86606190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73944018 is a wasteful number, since it uses less digits than its factorization.

73944018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678 (or 8675 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 73944018 is about 8599.0707637512. The cubic root of 73944018 is about 419.7277487302.

The spelling of 73944018 in words is "seventy-three million, nine hundred forty-four thousand, eighteen".