742076532733621 has 16 divisors (see below), whose sum is σ = 781300569188160. Its totient is φ = 702869247849600.

The previous prime is 742076532733619. The next prime is 742076532733633. The reversal of 742076532733621 is 126337235670247.

It is a cyclic number.

It is not a de Polignac number, because 742076532733621 - 2¹ = 742076532733619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742076532733421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2044179690 + ... + 2044542676.

It is an arithmetic number, because the mean of its divisors is an integer number (48831285574260).

Almost surely, 2^{742076532733621} is an apocalyptic number.

It is an amenable number.

742076532733621 is a deficient number, since it is larger than the sum of its proper divisors (39224036454539).

742076532733621 is a wasteful number, since it uses less digits than its factorization.

742076532733621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385764.

The product of its (nonzero) digits is 53343360, while the sum is 58.

The spelling of 742076532733621 in words is "seven hundred forty-two trillion, seventy-six billion, five hundred thirty-two million, seven hundred thirty-three thousand, six hundred twenty-one".