52730072 has 16 divisors (see below), whose sum is σ = 100345560. Its totient is φ = 25971264.

The previous prime is 52730023. The next prime is 52730089. The reversal of 52730072 is 27003725.

It is a congruent number.

It is an unprimeable number.

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, 48653 + ... + 49724.

Almost surely, 2^52730072 is an apocalyptic number.

It is an amenable number.

52730072 is a deficient number, since it is larger than the sum of its proper divisors (47615488).

52730072 is a wasteful number, since it uses less digits than its factorization.

52730072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98450 (or 98446 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 52730072 is about 7261.5474934755. The cubic root of 52730072 is about 374.9898000189.

Adding to 52730072 its reverse (27003725), we get a palindrome (79733797).

The spelling of 52730072 in words is "fifty-two million, seven hundred thirty thousand, seventy-two".