73123847 has 2 divisors, whose sum is σ = 73123848. Its totient is φ = 73123846.

The previous prime is 73123829. The next prime is 73123859. The reversal of 73123847 is 74832137.

It is a strong prime.

It is an emirp because it is prime and its reverse (74832137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73123847 - 2¹⁰ = 73122823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73125847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36561923 + 36561924.

It is an arithmetic number, because the mean of its divisors is an integer number (36561924).

Almost surely, 2^73123847 is an apocalyptic number.

73123847 is a deficient number, since it is larger than the sum of its proper divisors (1).

73123847 is an equidigital number, since it uses as much as digits as its factorization.

73123847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 73123847 is about 8551.2482714514. The cubic root of 73123847 is about 418.1701325099.

The spelling of 73123847 in words is "seventy-three million, one hundred twenty-three thousand, eight hundred forty-seven".