72047153 has 2 divisors, whose sum is σ = 72047154. Its totient is φ = 72047152.

The previous prime is 72047149. The next prime is 72047167. The reversal of 72047153 is 35174027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62362609 + 9684544 = 7897^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 72047153 - 2² = 72047149 is a prime.

It is not a weakly prime, because it can be changed into another prime (72047953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36023576 + 36023577.

It is an arithmetic number, because the mean of its divisors is an integer number (36023577).

Almost surely, 2^72047153 is an apocalyptic number.

It is an amenable number.

72047153 is a deficient number, since it is larger than the sum of its proper divisors (1).

72047153 is an equidigital number, since it uses as much as digits as its factorization.

72047153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 72047153 is about 8488.0594366439. The cubic root of 72047153 is about 416.1075616371.

The spelling of 72047153 in words is "seventy-two million, forty-seven thousand, one hundred fifty-three".