30045873 has 24 divisors (see below), whose sum is σ = 47428864. Its totient is φ = 16806240.

The previous prime is 30045871. The next prime is 30045931. The reversal of 30045873 is 37854003.

It is not a de Polignac number, because 30045873 - 2¹ = 30045871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30045873.

It is not an unprimeable number, because it can be changed into a prime (30045871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1536 + ... + 7902.

Almost surely, 2^30045873 is an apocalyptic number.

30045873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30045873 is a deficient number, since it is larger than the sum of its proper divisors (17382991).

30045873 is a wasteful number, since it uses less digits than its factorization.

30045873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405 (or 6394 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30045873 is about 5481.4115882681. The cubic root of 30045873 is about 310.8815455807.

Adding to 30045873 its reverse (37854003), we get a palindrome (67899876).

The spelling of 30045873 in words is "thirty million, forty-five thousand, eight hundred seventy-three".