72430063 has 2 divisors, whose sum is σ = 72430064. Its totient is φ = 72430062.

The previous prime is 72430051. The next prime is 72430073. The reversal of 72430063 is 36003427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72430063 - 2⁹ = 72429551 is a prime.

It is a super-2 number, since 2×72430063² = 10492228052367938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72430073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36215031 + 36215032.

It is an arithmetic number, because the mean of its divisors is an integer number (36215032).

Almost surely, 2^72430063 is an apocalyptic number.

72430063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72430063 is an equidigital number, since it uses as much as digits as its factorization.

72430063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72430063 is about 8510.5853500215. The cubic root of 72430063 is about 416.8434237438.

The spelling of 72430063 in words is "seventy-two million, four hundred thirty thousand, sixty-three".