3645742127 has 8 divisors (see below), whose sum is σ = 3750087456. Its totient is φ = 3541702752.

The previous prime is 3645742117. The next prime is 3645742141. The reversal of 3645742127 is 7212475463.

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

It is not a de Polignac number, because 3645742127 - 2⁶ = 3645742063 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 (3645742117) 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, 52208 + ... + 100085.

It is an arithmetic number, because the mean of its divisors is an integer number (468760932).

Almost surely, 2^3645742127 is an apocalyptic number.

3645742127 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3645742127 is a deficient number, since it is larger than the sum of its proper divisors (104345329).

3645742127 is a wasteful number, since it uses less digits than its factorization.

3645742127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152977.

The product of its digits is 282240, while the sum is 41.

The square root of 3645742127 is about 60379.9811775393. The cubic root of 3645742127 is about 1539.0827909559.

The spelling of 3645742127 in words is "three billion, six hundred forty-five million, seven hundred forty-two thousand, one hundred twenty-seven".