72624943 has 2 divisors, whose sum is σ = 72624944. Its totient is φ = 72624942.

The previous prime is 72624941. The next prime is 72624947. The reversal of 72624943 is 34942627.

It is a weak prime.

It is an emirp because it is prime and its reverse (34942627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72624943 - 2¹ = 72624941 is a prime.

Together with 72624941, 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 (72624941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36312471 + 36312472.

It is an arithmetic number, because the mean of its divisors is an integer number (36312472).

Almost surely, 2^72624943 is an apocalyptic number.

72624943 is a deficient number, since it is larger than the sum of its proper divisors (1).

72624943 is an equidigital number, since it uses as much as digits as its factorization.

72624943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 72624943 is about 8522.0269302555. The cubic root of 72624943 is about 417.2169412927.

The spelling of 72624943 in words is "seventy-two million, six hundred twenty-four thousand, nine hundred forty-three".