742072670571 has 16 divisors (see below), whose sum is σ = 1047664195200. Its totient is φ = 465599918208.

The previous prime is 742072670543. The next prime is 742072670621. The reversal of 742072670571 is 175076270247.

It is not a de Polignac number, because 742072670571 - 2¹¹ = 742072668523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742072670571.

It is not an unprimeable number, because it can be changed into a prime (742072670531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596420 + ... + 2008158.

It is an arithmetic number, because the mean of its divisors is an integer number (65479012200).

Almost surely, 2^742072670571 is an apocalyptic number.

742072670571 is a deficient number, since it is larger than the sum of its proper divisors (305591524629).

742072670571 is a wasteful number, since it uses less digits than its factorization.

742072670571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447098.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 742072670571 in words is "seven hundred forty-two billion, seventy-two million, six hundred seventy thousand, five hundred seventy-one".