30936573 has 14 divisors (see below), whose sum is σ = 46384734. Its totient is φ = 20623896.

The previous prime is 30936571. The next prime is 30936593. The reversal of 30936573 is 37563903.

It can be written as a sum of positive squares in only one way, i.e., 30935844 + 729 = 5562^2 + 27^2 .

It is not a de Polignac number, because 30936573 - 2¹ = 30936571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30936571) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 20490 + ... + 21947.

Almost surely, 2^30936573 is an apocalyptic number.

It is an amenable number.

30936573 is a deficient number, since it is larger than the sum of its proper divisors (15448161).

30936573 is an frugal number, since it uses more digits than its factorization.

30936573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42455 (or 42440 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 36.

The square root of 30936573 is about 5562.0655335945. The cubic root of 30936573 is about 313.9236734167.

The spelling of 30936573 in words is "thirty million, nine hundred thirty-six thousand, five hundred seventy-three".