2172741742 has 8 divisors (see below), whose sum is σ = 3261794256. Its totient is φ = 1085476992.

The previous prime is 2172741707. The next prime is 2172741749. The reversal of 2172741742 is 2471472712.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172741749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443898 + ... + 448765.

It is an arithmetic number, because the mean of its divisors is an integer number (407724282).

Almost surely, 2^2172741742 is an apocalyptic number.

2172741742 is a deficient number, since it is larger than the sum of its proper divisors (1089052514).

2172741742 is a wasteful number, since it uses less digits than its factorization.

2172741742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893882.

The product of its digits is 43904, while the sum is 37.

The square root of 2172741742 is about 46612.6779106286. The cubic root of 2172741742 is about 1295.1976148789.

The spelling of 2172741742 in words is "two billion, one hundred seventy-two million, seven hundred forty-one thousand, seven hundred forty-two".