73044047 has 2 divisors, whose sum is σ = 73044048. Its totient is φ = 73044046.

The previous prime is 73044043. The next prime is 73044071. The reversal of 73044047 is 74044037.

It is a weak prime.

It is an emirp because it is prime and its reverse (74044037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73044047 - 2² = 73044043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73044043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36522023 + 36522024.

It is an arithmetic number, because the mean of its divisors is an integer number (36522024).

Almost surely, 2^73044047 is an apocalyptic number.

73044047 is a deficient number, since it is larger than the sum of its proper divisors (1).

73044047 is an equidigital number, since it uses as much as digits as its factorization.

73044047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 73044047 is about 8546.5810123113. The cubic root of 73044047 is about 418.0179608897.

The spelling of 73044047 in words is "seventy-three million, forty-four thousand, forty-seven".