72884143 has 2 divisors, whose sum is σ = 72884144. Its totient is φ = 72884142.

The previous prime is 72884111. The next prime is 72884159. The reversal of 72884143 is 34148827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72884143 - 2⁵ = 72884111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72884243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36442071 + 36442072.

It is an arithmetic number, because the mean of its divisors is an integer number (36442072).

Almost surely, 2^72884143 is an apocalyptic number.

72884143 is a deficient number, since it is larger than the sum of its proper divisors (1).

72884143 is an equidigital number, since it uses as much as digits as its factorization.

72884143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 72884143 is about 8537.2210349739. The cubic root of 72884143 is about 417.7127040740.

The spelling of 72884143 in words is "seventy-two million, eight hundred eighty-four thousand, one hundred forty-three".