72036061 has 2 divisors, whose sum is σ = 72036062. Its totient is φ = 72036060.

The previous prime is 72035993. The next prime is 72036067. The reversal of 72036061 is 16063027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60543961 + 11492100 = 7781^2 + 3390^2 .

It is an emirp because it is prime and its reverse (16063027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72036061 - 2¹¹ = 72034013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72036067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36018030 + 36018031.

It is an arithmetic number, because the mean of its divisors is an integer number (36018031).

Almost surely, 2^72036061 is an apocalyptic number.

It is an amenable number.

72036061 is a deficient number, since it is larger than the sum of its proper divisors (1).

72036061 is an equidigital number, since it uses as much as digits as its factorization.

72036061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 72036061 is about 8487.4060230438. The cubic root of 72036061 is about 416.0862066320.

Adding to 72036061 its reverse (16063027), we get a palindrome (88099088).

The spelling of 72036061 in words is "seventy-two million, thirty-six thousand, sixty-one".