72027830 has 16 divisors (see below), whose sum is σ = 148171680. Its totient is φ = 24695232.

The previous prime is 72027821. The next prime is 72027833. The reversal of 72027830 is 3872027.

It is a junction number, because it is equal to n+sod(n) for n = 72027793 and 72027802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72027833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514415 + ... + 514554.

It is an arithmetic number, because the mean of its divisors is an integer number (9260730).

Almost surely, 2^72027830 is an apocalyptic number.

72027830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72027830 is an abundant number, since it is smaller than the sum of its proper divisors (76143850).

72027830 is a wasteful number, since it uses less digits than its factorization.

72027830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028983.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 72027830 is about 8486.9211142793. The cubic root of 72027830 is about 416.0703583843.

Adding to 72027830 its reverse (3872027), we get a palindrome (75899857).

The spelling of 72027830 in words is "seventy-two million, twenty-seven thousand, eight hundred thirty".