7923735328742 has 16 divisors (see below), whose sum is σ = 11918183322672. Its totient is φ = 3951008830560.

The previous prime is 7923735328727. The next prime is 7923735328781. The reversal of 7923735328742 is 2478235373297.

It is a super-2 number, since 2×7923735328742² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12459017 + ... + 13079547.

It is an arithmetic number, because the mean of its divisors is an integer number (744886457667).

Almost surely, 2^{7923735328742} is an apocalyptic number.

7923735328742 is a deficient number, since it is larger than the sum of its proper divisors (3994447993930).

7923735328742 is a wasteful number, since it uses less digits than its factorization.

7923735328742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638023.

The product of its digits is 106686720, while the sum is 62.

The spelling of 7923735328742 in words is "seven trillion, nine hundred twenty-three billion, seven hundred thirty-five million, three hundred twenty-eight thousand, seven hundred forty-two".