73126723 has 2 divisors, whose sum is σ = 73126724. Its totient is φ = 73126722.

The previous prime is 73126721. The next prime is 73126747. The reversal of 73126723 is 32762137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73126723 - 2¹ = 73126721 is a prime.

Together with 73126721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73126721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36563361 + 36563362.

It is an arithmetic number, because the mean of its divisors is an integer number (36563362).

Almost surely, 2^73126723 is an apocalyptic number.

73126723 is a deficient number, since it is larger than the sum of its proper divisors (1).

73126723 is an equidigital number, since it uses as much as digits as its factorization.

73126723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 73126723 is about 8551.4164323812. The cubic root of 73126723 is about 418.1756147230.

The spelling of 73126723 in words is "seventy-three million, one hundred twenty-six thousand, seven hundred twenty-three".