73555063 has 2 divisors, whose sum is σ = 73555064. Its totient is φ = 73555062.

The previous prime is 73555057. The next prime is 73555067. The reversal of 73555063 is 36055537.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73555063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73555067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36777531 + 36777532.

It is an arithmetic number, because the mean of its divisors is an integer number (36777532).

Almost surely, 2^73555063 is an apocalyptic number.

73555063 is a deficient number, since it is larger than the sum of its proper divisors (1).

73555063 is an equidigital number, since it uses as much as digits as its factorization.

73555063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 73555063 is about 8576.4248378914. The cubic root of 73555063 is about 418.9905140035.

The spelling of 73555063 in words is "seventy-three million, five hundred fifty-five thousand, sixty-three".