1742068521 has 24 divisors (see below), whose sum is σ = 2590140800. Its totient is φ = 1127450016.

The previous prime is 1742068519. The next prime is 1742068543. The reversal of 1742068521 is 1258602471.

1742068521 is a `hidden beast` number, since 1 + 74 + 2 + 0 + 68 + 521 = 666.

It is not a de Polignac number, because 1742068521 - 2¹ = 1742068519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1742068511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148530 + ... + 159828.

Almost surely, 2^1742068521 is an apocalyptic number.

It is an amenable number.

1742068521 is a deficient number, since it is larger than the sum of its proper divisors (848072279).

1742068521 is a wasteful number, since it uses less digits than its factorization.

1742068521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805 (or 11802 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1742068521 is about 41738.0943623448. The cubic root of 1742068521 is about 1203.2478039610.

The spelling of 1742068521 in words is "one billion, seven hundred forty-two million, sixty-eight thousand, five hundred twenty-one".