72932423 has 2 divisors, whose sum is σ = 72932424. Its totient is φ = 72932422.

The previous prime is 72932413. The next prime is 72932441. The reversal of 72932423 is 32423927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72932423 - 2¹⁰ = 72931399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72932423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72932413) 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, 36466211 + 36466212.

It is an arithmetic number, because the mean of its divisors is an integer number (36466212).

Almost surely, 2^72932423 is an apocalyptic number.

72932423 is a deficient number, since it is larger than the sum of its proper divisors (1).

72932423 is an equidigital number, since it uses as much as digits as its factorization.

72932423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 72932423 is about 8540.0481848758. The cubic root of 72932423 is about 417.8049176297.

The spelling of 72932423 in words is "seventy-two million, nine hundred thirty-two thousand, four hundred twenty-three".