72886343 has 2 divisors, whose sum is σ = 72886344. Its totient is φ = 72886342.

The previous prime is 72886321. The next prime is 72886351. The reversal of 72886343 is 34368827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72886343 - 2⁸ = 72886087 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72886343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72886043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36443171 + 36443172.

It is an arithmetic number, because the mean of its divisors is an integer number (36443172).

Almost surely, 2^72886343 is an apocalyptic number.

72886343 is a deficient number, since it is larger than the sum of its proper divisors (1).

72886343 is an equidigital number, since it uses as much as digits as its factorization.

72886343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 72886343 is about 8537.3498815499. The cubic root of 72886343 is about 417.7169069027.

It can be divided in two parts, 7288 and 6343, that added together give a palindrome (13631).

The spelling of 72886343 in words is "seventy-two million, eight hundred eighty-six thousand, three hundred forty-three".