745727512277 has 16 divisors (see below), whose sum is σ = 824752481280. Its totient is φ = 668593926000.

The previous prime is 745727512261. The next prime is 745727512289. The reversal of 745727512277 is 772215727547.

It is not a de Polignac number, because 745727512277 - 2⁴ = 745727512261 is a prime.

It is a super-2 number, since 2×745727512277² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745727512297) 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, 281402 + ... + 1253252.

It is an arithmetic number, because the mean of its divisors is an integer number (51547030080).

Almost surely, 2^745727512277 is an apocalyptic number.

It is an amenable number.

745727512277 is a deficient number, since it is larger than the sum of its proper divisors (79024969003).

745727512277 is a wasteful number, since it uses less digits than its factorization.

745727512277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972824.

The product of its digits is 13445600, while the sum is 56.

The spelling of 745727512277 in words is "seven hundred forty-five billion, seven hundred twenty-seven million, five hundred twelve thousand, two hundred seventy-seven".