30873073 has 8 divisors (see below), whose sum is σ = 38491200. Its totient is φ = 24056880.

The previous prime is 30873067. The next prime is 30873077. The reversal of 30873073 is 37037803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30873073 - 2¹³ = 30864881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30873077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200398 + ... + 200551.

It is an arithmetic number, because the mean of its divisors is an integer number (4811400).

Almost surely, 2^30873073 is an apocalyptic number.

It is an amenable number.

30873073 is a deficient number, since it is larger than the sum of its proper divisors (7618127).

30873073 is a wasteful number, since it uses less digits than its factorization.

30873073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400967.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 30873073 is about 5556.3542903598. The cubic root of 30873073 is about 313.7087411024.

It can be divided in two parts, 308730 and 73, that added together give a palindrome (308803).

The spelling of 30873073 in words is "thirty million, eight hundred seventy-three thousand, seventy-three".