72616463 has 2 divisors, whose sum is σ = 72616464. Its totient is φ = 72616462.

The previous prime is 72616447. The next prime is 72616487. The reversal of 72616463 is 36461627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72616463 - 2⁴ = 72616447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72616763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36308231 + 36308232.

It is an arithmetic number, because the mean of its divisors is an integer number (36308232).

Almost surely, 2^72616463 is an apocalyptic number.

72616463 is a deficient number, since it is larger than the sum of its proper divisors (1).

72616463 is an equidigital number, since it uses as much as digits as its factorization.

72616463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 72616463 is about 8521.5293815136. The cubic root of 72616463 is about 417.2007019804.

The spelling of 72616463 in words is "seventy-two million, six hundred sixteen thousand, four hundred sixty-three".