1724138956 has 12 divisors (see below), whose sum is σ = 3018505392. Its totient is φ = 861708848.

The previous prime is 1724138951. The next prime is 1724138993. The reversal of 1724138956 is 6598314271.

It is not an unprimeable number, because it can be changed into a prime (1724138951) 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, 79255 + ... + 98638.

It is an arithmetic number, because the mean of its divisors is an integer number (251542116).

Almost surely, 2^1724138956 is an apocalyptic number.

It is an amenable number.

1724138956 is a deficient number, since it is larger than the sum of its proper divisors (1294366436).

1724138956 is a wasteful number, since it uses less digits than its factorization.

1724138956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180320 (or 180318 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 1724138956 is about 41522.7522690874. The cubic root of 1724138956 is about 1199.1055733145.

The spelling of 1724138956 in words is "one billion, seven hundred twenty-four million, one hundred thirty-eight thousand, nine hundred fifty-six".