742371328538 has 16 divisors (see below), whose sum is σ = 1272801151104. Its totient is φ = 318117993840.

The previous prime is 742371328537. The next prime is 742371328549. The reversal of 742371328538 is 835823173247.

It is a super-2 number, since 2×742371328538² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742371328538.

It is not an unprimeable number, because it can be changed into a prime (742371328537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3316670 + ... + 3533417.

It is an arithmetic number, because the mean of its divisors is an integer number (79550071944).

Almost surely, 2^742371328538 is an apocalyptic number.

742371328538 is a deficient number, since it is larger than the sum of its proper divisors (530429822566).

742371328538 is a wasteful number, since it uses less digits than its factorization.

742371328538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857837.

The product of its digits is 6773760, while the sum is 53.

The spelling of 742371328538 in words is "seven hundred forty-two billion, three hundred seventy-one million, three hundred twenty-eight thousand, five hundred thirty-eight".