742579124873 has 4 divisors (see below), whose sum is σ = 742584179988. Its totient is φ = 742574069760.

The previous prime is 742579124857. The next prime is 742579124879. The reversal of 742579124873 is 378421975247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 406600073104 + 335979051769 = 637652^2 + 579637^2 .

It is a cyclic number.

It is not a de Polignac number, because 742579124873 - 2⁴ = 742579124857 is a prime.

It is a super-2 number, since 2×742579124873² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742579124879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300408 + ... + 2603273.

It is an arithmetic number, because the mean of its divisors is an integer number (185646044997).

Almost surely, 2^742579124873 is an apocalyptic number.

It is an amenable number.

742579124873 is a deficient number, since it is larger than the sum of its proper divisors (5055115).

742579124873 is a wasteful number, since it uses less digits than its factorization.

742579124873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055114.

The product of its digits is 23708160, while the sum is 59.

The spelling of 742579124873 in words is "seven hundred forty-two billion, five hundred seventy-nine million, one hundred twenty-four thousand, eight hundred seventy-three".