73440873 has 12 divisors (see below), whose sum is σ = 115725168. Its totient is φ = 44509560.

The previous prime is 73440853. The next prime is 73440883. The reversal of 73440873 is 37804437.

It is not a de Polignac number, because 73440873 - 2⁸ = 73440617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73440823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370815 + ... + 371012.

It is an arithmetic number, because the mean of its divisors is an integer number (9643764).

Almost surely, 2^73440873 is an apocalyptic number.

It is an amenable number.

73440873 is a deficient number, since it is larger than the sum of its proper divisors (42284295).

73440873 is a wasteful number, since it uses less digits than its factorization.

73440873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741844 (or 741841 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 73440873 is about 8569.7650492881. The cubic root of 73440873 is about 418.7735821575.

The spelling of 73440873 in words is "seventy-three million, four hundred forty thousand, eight hundred seventy-three".