72466249 has 2 divisors, whose sum is σ = 72466250. Its totient is φ = 72466248.

The previous prime is 72466241. The next prime is 72466267. The reversal of 72466249 is 94266427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65496649 + 6969600 = 8093^2 + 2640^2 .

It is a cyclic number.

It is not a de Polignac number, because 72466249 - 2³ = 72466241 is a prime.

It is not a weakly prime, because it can be changed into another prime (72466241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36233124 + 36233125.

It is an arithmetic number, because the mean of its divisors is an integer number (36233125).

Almost surely, 2^72466249 is an apocalyptic number.

It is an amenable number.

72466249 is a deficient number, since it is larger than the sum of its proper divisors (1).

72466249 is an equidigital number, since it uses as much as digits as its factorization.

72466249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 72466249 is about 8512.7110252845. The cubic root of 72466249 is about 416.9128303973.

The spelling of 72466249 in words is "seventy-two million, four hundred sixty-six thousand, two hundred forty-nine".