30073130 has 8 divisors (see below), whose sum is σ = 54131652. Its totient is φ = 12029248.

The previous prime is 30073103. The next prime is 30073133. The reversal of 30073130 is 3137003.

It can be written as a sum of positive squares in 2 ways, for example, as 24870169 + 5202961 = 4987^2 + 2281^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30073099 and 30073108.

It is not an unprimeable number, because it can be changed into a prime (30073133) 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, 1503647 + ... + 1503666.

Almost surely, 2^30073130 is an apocalyptic number.

30073130 is a deficient number, since it is larger than the sum of its proper divisors (24058522).

30073130 is a wasteful number, since it uses less digits than its factorization.

30073130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007320.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 30073130 is about 5483.8973367487. The cubic root of 30073130 is about 310.9755256223.

It can be divided in two parts, 30073 and 130, that added together give a palindrome (30203).

The spelling of 30073130 in words is "thirty million, seventy-three thousand, one hundred thirty".