73661094047 has 2 divisors, whose sum is σ = 73661094048. Its totient is φ = 73661094046.

The previous prime is 73661094043. The next prime is 73661094079. The reversal of 73661094047 is 74049016637.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73661094047 - 2² = 73661094043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73661093992 and 73661094010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73661094041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36830547023 + 36830547024.

It is an arithmetic number, because the mean of its divisors is an integer number (36830547024).

Almost surely, 2^73661094047 is an apocalyptic number.

73661094047 is a deficient number, since it is larger than the sum of its proper divisors (1).

73661094047 is an equidigital number, since it uses as much as digits as its factorization.

73661094047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 73661094047 in words is "seventy-three billion, six hundred sixty-one million, ninety-four thousand, forty-seven".