8140073 has 4 divisors (see below), whose sum is σ = 8402688. Its totient is φ = 7877460.

The previous prime is 8140063. The next prime is 8140087. The reversal of 8140073 is 3700418.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8140073 - 2⁶ = 8140009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8140043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131261 + ... + 131322.

It is an arithmetic number, because the mean of its divisors is an integer number (2100672).

Almost surely, 2^8140073 is an apocalyptic number.

It is an amenable number.

8140073 is a deficient number, since it is larger than the sum of its proper divisors (262615).

8140073 is a wasteful number, since it uses less digits than its factorization.

8140073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262614.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8140073 is about 2853.0813167521. The cubic root of 8140073 is about 201.1605278503.

The spelling of 8140073 in words is "eight million, one hundred forty thousand, seventy-three".