72465413 has 2 divisors, whose sum is σ = 72465414. Its totient is φ = 72465412.

The previous prime is 72465397. The next prime is 72465439. The reversal of 72465413 is 31456427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48972004 + 23493409 = 6998^2 + 4847^2 .

It is a cyclic number.

It is not a de Polignac number, because 72465413 - 2⁴ = 72465397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72465413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72465443) 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, 36232706 + 36232707.

It is an arithmetic number, because the mean of its divisors is an integer number (36232707).

Almost surely, 2^72465413 is an apocalyptic number.

It is an amenable number.

72465413 is a deficient number, since it is larger than the sum of its proper divisors (1).

72465413 is an equidigital number, since it uses as much as digits as its factorization.

72465413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 72465413 is about 8512.6619221017. The cubic root of 72465413 is about 416.9112271661.

The spelling of 72465413 in words is "seventy-two million, four hundred sixty-five thousand, four hundred thirteen".