745671655027 has 8 divisors (see below), whose sum is σ = 850268131776. Its totient is φ = 647823338112.

The previous prime is 745671655013. The next prime is 745671655103. The reversal of 745671655027 is 720556176547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745671655027 - 2¹⁹ = 745671130739 is a prime.

It is a super-2 number, since 2×745671655027² (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 (745671655007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687039723 + ... + 1687040164.

It is an arithmetic number, because the mean of its divisors is an integer number (106283516472).

Almost surely, 2^745671655027 is an apocalyptic number.

745671655027 is a deficient number, since it is larger than the sum of its proper divisors (104596476749).

745671655027 is a wasteful number, since it uses less digits than its factorization.

745671655027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374079917.

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 745671655027 in words is "seven hundred forty-five billion, six hundred seventy-one million, six hundred fifty-five thousand, twenty-seven".