783072873 has 16 divisors (see below), whose sum is σ = 1265572800. Its totient is φ = 474589440.

The previous prime is 783072811. The next prime is 783072883. The reversal of 783072873 is 378270387.

It is not a de Polignac number, because 783072873 - 2⁹ = 783072361 is a prime.

It is a super-2 number, since 2×783072873² = 1226406248856948258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (783072883) 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, 1318008 + ... + 1318601.

It is an arithmetic number, because the mean of its divisors is an integer number (79098300).

Almost surely, 2^783072873 is an apocalyptic number.

It is an amenable number.

783072873 is a deficient number, since it is larger than the sum of its proper divisors (482499927).

783072873 is a wasteful number, since it uses less digits than its factorization.

783072873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636629 (or 2636623 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 783072873 is about 27983.4392632500. The cubic root of 783072873 is about 921.7236405536.

The spelling of 783072873 in words is "seven hundred eighty-three million, seventy-two thousand, eight hundred seventy-three".