72932947 has 2 divisors, whose sum is σ = 72932948. Its totient is φ = 72932946.

The previous prime is 72932897. The next prime is 72932953. The reversal of 72932947 is 74923927.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72932947 - 2¹¹ = 72930899 is a prime.

It is not a weakly prime, because it can be changed into another prime (72932147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36466473 + 36466474.

It is an arithmetic number, because the mean of its divisors is an integer number (36466474).

Almost surely, 2^72932947 is an apocalyptic number.

72932947 is a deficient number, since it is larger than the sum of its proper divisors (1).

72932947 is an equidigital number, since it uses as much as digits as its factorization.

72932947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 72932947 is about 8540.0788638045. The cubic root of 72932947 is about 417.8059182329.

The spelling of 72932947 in words is "seventy-two million, nine hundred thirty-two thousand, nine hundred forty-seven".