72000053 has 2 divisors, whose sum is σ = 72000054. Its totient is φ = 72000052.

The previous prime is 72000007. The next prime is 72000091. The reversal of 72000053 is 35000027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64288324 + 7711729 = 8018^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 72000053 - 2⁶ = 71999989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71999995 and 72000040.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72000353) by changing a digit.

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 as a sum of consecutive naturals, namely, 36000026 + 36000027.

It is an arithmetic number, because the mean of its divisors is an integer number (36000027).

Almost surely, 2^72000053 is an apocalyptic number.

It is an amenable number.

72000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000053 is an equidigital number, since it uses as much as digits as its factorization.

72000053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 72000053 is about 8485.2844972929. The cubic root of 72000053 is about 416.0168666885.

The spelling of 72000053 in words is "seventy-two million, fifty-three", and thus it is an aban number and an uban number.