72713030 has 32 divisors (see below), whose sum is σ = 141480864. Its totient is φ = 26747136.

The previous prime is 72713021. The next prime is 72713041. The reversal of 72713030 is 3031727.

It is a junction number, because it is equal to n+sod(n) for n = 72712987 and 72713005.

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 15 ways as a sum of consecutive naturals, for example, 39797 + ... + 41583.

It is an arithmetic number, because the mean of its divisors is an integer number (4421277).

Almost surely, 2^72713030 is an apocalyptic number.

72713030 is a deficient number, since it is larger than the sum of its proper divisors (68767834).

72713030 is a wasteful number, since it uses less digits than its factorization.

72713030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 72713030 is about 8527.1935594309. The cubic root of 72713030 is about 417.3855543457.

Adding to 72713030 its reverse (3031727), we get a palindrome (75744757).

It can be divided in two parts, 7271 and 3030, that added together give a palindrome (10301).

The spelling of 72713030 in words is "seventy-two million, seven hundred thirteen thousand, thirty".