73706670047 has 2 divisors, whose sum is σ = 73706670048. Its totient is φ = 73706670046.

The previous prime is 73706669941. The next prime is 73706670073. The reversal of 73706670047 is 74007660737.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73706670047 - 2²⁶ = 73639561183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73706669983 and 73706670010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73706670547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36853335023 + 36853335024.

It is an arithmetic number, because the mean of its divisors is an integer number (36853335024).

Almost surely, 2^73706670047 is an apocalyptic number.

73706670047 is a deficient number, since it is larger than the sum of its proper divisors (1).

73706670047 is an equidigital number, since it uses as much as digits as its factorization.

73706670047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1037232, while the sum is 47.

The spelling of 73706670047 in words is "seventy-three billion, seven hundred six million, six hundred seventy thousand, forty-seven".