4027742217 has 12 divisors (see below), whose sum is σ = 5818551024. Its totient is φ = 2684837880.

The previous prime is 4027742207. The next prime is 4027742219. The reversal of 4027742217 is 7122477204.

It is a happy number.

It is not a de Polignac number, because 4027742217 - 2¹⁵ = 4027709449 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4027742219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70342 + ... + 114032.

It is an arithmetic number, because the mean of its divisors is an integer number (484879252).

Almost surely, 2^4027742217 is an apocalyptic number.

It is an amenable number.

4027742217 is a deficient number, since it is larger than the sum of its proper divisors (1790808807).

4027742217 is a wasteful number, since it uses less digits than its factorization.

4027742217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53940 (or 53937 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 4027742217 is about 63464.4957200481. The cubic root of 4027742217 is about 1591.0624357645.

The spelling of 4027742217 in words is "four billion, twenty-seven million, seven hundred forty-two thousand, two hundred seventeen".