1742311081 has 27 divisors (see below), whose sum is σ = 2080849239. Its totient is φ = 1454590368.

The previous prime is 1742311049. The next prime is 1742311099. The reversal of 1742311081 is 1801132471.

The square root of 1742311081 is 41741.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 334560681 + 1407750400 = 18291^2 + 37520^2 .

It is not a de Polignac number, because 1742311081 - 2⁵ = 1742311049 is a prime.

It is a super-3 number, since 3×1742311081³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1742351081) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19576485 + ... + 19576573.

Almost surely, 2^1742311081 is an apocalyptic number.

1742311081 is the 41741-st square number.

1742311081 is the 20871-st centered octagonal number.

It is an amenable number.

1742311081 is a deficient number, since it is larger than the sum of its proper divisors (338538158).

1742311081 is an frugal number, since it uses more digits than its factorization.

1742311081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The cubic root of 1742311081 is about 1203.3036468165.

The spelling of 1742311081 in words is "one billion, seven hundred forty-two million, three hundred eleven thousand, eighty-one".