73272047 has 2 divisors, whose sum is σ = 73272048. Its totient is φ = 73272046.

The previous prime is 73272029. The next prime is 73272053. The reversal of 73272047 is 74027237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73272047 - 2⁸ = 73271791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73272547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36636023 + 36636024.

It is an arithmetic number, because the mean of its divisors is an integer number (36636024).

Almost surely, 2^73272047 is an apocalyptic number.

73272047 is a deficient number, since it is larger than the sum of its proper divisors (1).

73272047 is an equidigital number, since it uses as much as digits as its factorization.

73272047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 73272047 is about 8559.9092869025. The cubic root of 73272047 is about 418.4524434864.

The spelling of 73272047 in words is "seventy-three million, two hundred seventy-two thousand, forty-seven".