745173755527 has 16 divisors (see below), whose sum is σ = 776426434560. Its totient is φ = 714548260800.

The previous prime is 745173755507. The next prime is 745173755539. The reversal of 745173755527 is 725557371547.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 745173755527 - 2¹¹ = 745173753479 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 (745173755507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15144988 + ... + 15194110.

It is an arithmetic number, because the mean of its divisors is an integer number (48526652160).

Almost surely, 2^745173755527 is an apocalyptic number.

745173755527 is a deficient number, since it is larger than the sum of its proper divisors (31252679033).

745173755527 is a wasteful number, since it uses less digits than its factorization.

745173755527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55494.

The product of its digits is 36015000, while the sum is 58.

The spelling of 745173755527 in words is "seven hundred forty-five billion, one hundred seventy-three million, seven hundred fifty-five thousand, five hundred twenty-seven".