30152973 has 4 divisors (see below), whose sum is σ = 40203968. Its totient is φ = 20101980.

The previous prime is 30152963. The next prime is 30152989. The reversal of 30152973 is 37925103.

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 not a de Polignac number, because 30152973 - 2⁶ = 30152909 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 30152973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30152963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025493 + ... + 5025498.

It is an arithmetic number, because the mean of its divisors is an integer number (10050992).

Almost surely, 2^30152973 is an apocalyptic number.

It is an amenable number.

30152973 is a deficient number, since it is larger than the sum of its proper divisors (10050995).

30152973 is a wasteful number, since it uses less digits than its factorization.

30152973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050994.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 30152973 is about 5491.1722792132. The cubic root of 30152973 is about 311.2504917655.

It can be divided in two parts, 30152 and 973, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 30152973 in words is "thirty million, one hundred fifty-two thousand, nine hundred seventy-three".