872303073 has 4 divisors (see below), whose sum is σ = 1163070768. Its totient is φ = 581535380.

The previous prime is 872303071. The next prime is 872303087. The reversal of 872303073 is 370303278.

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 872303073 - 2¹ = 872303071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872303071) 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, 145383843 + ... + 145383848.

It is an arithmetic number, because the mean of its divisors is an integer number (290767692).

Almost surely, 2^872303073 is an apocalyptic number.

It is an amenable number.

872303073 is a deficient number, since it is larger than the sum of its proper divisors (290767695).

872303073 is a wasteful number, since it uses less digits than its factorization.

872303073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290767694.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 872303073 is about 29534.7773480688. Note that the first 3 decimals coincide. The cubic root of 872303073 is about 955.4819065771.

The spelling of 872303073 in words is "eight hundred seventy-two million, three hundred three thousand, seventy-three".