72726230 has 16 divisors (see below), whose sum is σ = 136599264. Its totient is φ = 27825600.

The previous prime is 72726211. The next prime is 72726233. The reversal of 72726230 is 3262727.

It is a junction number, because it is equal to n+sod(n) for n = 72726193 and 72726202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72726233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157871 + ... + 158330.

It is an arithmetic number, because the mean of its divisors is an integer number (8537454).

Almost surely, 2^72726230 is an apocalyptic number.

72726230 is a deficient number, since it is larger than the sum of its proper divisors (63873034).

72726230 is a wasteful number, since it uses less digits than its factorization.

72726230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316231.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72726230 is about 8527.9675186999. The cubic root of 72726230 is about 417.4108095898.

Adding to 72726230 its reverse (3262727), we get a palindrome (75988957).

The spelling of 72726230 in words is "seventy-two million, seven hundred twenty-six thousand, two hundred thirty".