673504937073 has 32 divisors (see below), whose sum is σ = 1095965337600. Its totient is φ = 406877117328.

The previous prime is 673504937051. The next prime is 673504937089. The reversal of 673504937073 is 370739405376.

673504937073 is a `hidden beast` number, since 67 + 3 + 504 + 9 + 3 + 7 + 0 + 73 = 666.

It is not a de Polignac number, because 673504937073 - 2¹⁷ = 673504806001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673504937023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28528965 + ... + 28552562.

It is an arithmetic number, because the mean of its divisors is an integer number (34248916800).

Almost surely, 2^673504937073 is an apocalyptic number.

It is an amenable number.

673504937073 is a deficient number, since it is larger than the sum of its proper divisors (422460400527).

673504937073 is a wasteful number, since it uses less digits than its factorization.

673504937073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57081578 (or 57081572 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 54.

The spelling of 673504937073 in words is "six hundred seventy-three billion, five hundred four million, nine hundred thirty-seven thousand, seventy-three".