30880873 has 4 divisors (see below), whose sum is σ = 30950100. Its totient is φ = 30811648.

The previous prime is 30880849. The next prime is 30880877. The reversal of 30880873 is 37808803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20142144 + 10738729 = 4488^2 + 3277^2 .

It is a cyclic number.

It is not a de Polignac number, because 30880873 - 2⁵ = 30880841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30880877) 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, 33940 + ... + 34837.

It is an arithmetic number, because the mean of its divisors is an integer number (7737525).

Almost surely, 2^30880873 is an apocalyptic number.

It is an amenable number.

30880873 is a deficient number, since it is larger than the sum of its proper divisors (69227).

30880873 is an equidigital number, since it uses as much as digits as its factorization.

30880873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69226.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 30880873 is about 5557.0561451186. The cubic root of 30880873 is about 313.7351581049.

The spelling of 30880873 in words is "thirty million, eight hundred eighty thousand, eight hundred seventy-three".