71574560673 has 64 divisors (see below), whose sum is σ = 121149388800. Its totient is φ = 36505589760.

The previous prime is 71574560657. The next prime is 71574560711. The reversal of 71574560673 is 37606547517.

It is not a de Polignac number, because 71574560673 - 2⁴ = 71574560657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71574560623) 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 in 63 ways as a sum of consecutive naturals, for example, 12658515 + ... + 12664167.

It is an arithmetic number, because the mean of its divisors is an integer number (1892959200).

Almost surely, 2^71574560673 is an apocalyptic number.

It is an amenable number.

71574560673 is a deficient number, since it is larger than the sum of its proper divisors (49574828127).

71574560673 is a wasteful number, since it uses less digits than its factorization.

71574560673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 71574560673 in words is "seventy-one billion, five hundred seventy-four million, five hundred sixty thousand, six hundred seventy-three".