72406063 has 2 divisors, whose sum is σ = 72406064. Its totient is φ = 72406062.

The previous prime is 72406057. The next prime is 72406079. The reversal of 72406063 is 36060427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72406063 - 2⁵ = 72406031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72406363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36203031 + 36203032.

It is an arithmetic number, because the mean of its divisors is an integer number (36203032).

Almost surely, 2^72406063 is an apocalyptic number.

72406063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72406063 is an equidigital number, since it uses as much as digits as its factorization.

72406063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 72406063 is about 8509.1752244269. The cubic root of 72406063 is about 416.7973777286.

The spelling of 72406063 in words is "seventy-two million, four hundred six thousand, sixty-three".