73438847 has 2 divisors, whose sum is σ = 73438848. Its totient is φ = 73438846.

The previous prime is 73438823. The next prime is 73438853. The reversal of 73438847 is 74883437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73438847 - 2¹⁰ = 73437823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73438798 and 73438807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73428847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36719423 + 36719424.

It is an arithmetic number, because the mean of its divisors is an integer number (36719424).

Almost surely, 2^73438847 is an apocalyptic number.

73438847 is a deficient number, since it is larger than the sum of its proper divisors (1).

73438847 is an equidigital number, since it uses as much as digits as its factorization.

73438847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The square root of 73438847 is about 8569.6468421983. The cubic root of 73438847 is about 418.7697312452.

The spelling of 73438847 in words is "seventy-three million, four hundred thirty-eight thousand, eight hundred forty-seven".