72830623 has 2 divisors, whose sum is σ = 72830624. Its totient is φ = 72830622.

The previous prime is 72830621. The next prime is 72830663. The reversal of 72830623 is 32603827.

It is a weak prime.

It is an emirp because it is prime and its reverse (32603827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72830623 - 2¹ = 72830621 is a prime.

Together with 72830621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72830621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36415311 + 36415312.

It is an arithmetic number, because the mean of its divisors is an integer number (36415312).

Almost surely, 2^72830623 is an apocalyptic number.

72830623 is a deficient number, since it is larger than the sum of its proper divisors (1).

72830623 is an equidigital number, since it uses as much as digits as its factorization.

72830623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 72830623 is about 8534.0859498836. The cubic root of 72830623 is about 417.6104346486.

The spelling of 72830623 in words is "seventy-two million, eight hundred thirty thousand, six hundred twenty-three".