745237106746571 has 16 divisors (see below), whose sum is σ = 767152723356000. Its totient is φ = 723415060263168.

The previous prime is 745237106746487. The next prime is 745237106746589. The reversal of 745237106746571 is 175647601732547.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 745237106746571 - 2²⁶ = 745237039637707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745237106746498 and 745237106746507.

It is not an unprimeable number, because it can be changed into a prime (745237106746271) 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, 271528325 + ... + 274259193.

It is an arithmetic number, because the mean of its divisors is an integer number (47947045209750).

Almost surely, 2^{745237106746571} is an apocalyptic number.

745237106746571 is a deficient number, since it is larger than the sum of its proper divisors (21915616609429).

745237106746571 is a wasteful number, since it uses less digits than its factorization.

745237106746571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747998.

The product of its (nonzero) digits is 207446400, while the sum is 65.

The spelling of 745237106746571 in words is "seven hundred forty-five trillion, two hundred thirty-seven billion, one hundred six million, seven hundred forty-six thousand, five hundred seventy-one".