73428847 has 2 divisors, whose sum is σ = 73428848. Its totient is φ = 73428846.

The previous prime is 73428829. The next prime is 73428853. The reversal of 73428847 is 74882437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73428847 - 2¹¹ = 73426799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73428877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36714423 + 36714424.

It is an arithmetic number, because the mean of its divisors is an integer number (36714424).

Almost surely, 2^73428847 is an apocalyptic number.

73428847 is a deficient number, since it is larger than the sum of its proper divisors (1).

73428847 is an equidigital number, since it uses as much as digits as its factorization.

73428847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 43.

The square root of 73428847 is about 8569.0633677200. The cubic root of 73428847 is about 418.7507227432.

The spelling of 73428847 in words is "seventy-three million, four hundred twenty-eight thousand, eight hundred forty-seven".