1742745653 has 8 divisors (see below), whose sum is σ = 1901744256. Its totient is φ = 1583841600.

The previous prime is 1742745617. The next prime is 1742745671. The reversal of 1742745653 is 3565472471.

It is a happy number.

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

It is not a de Polignac number, because 1742745653 - 2¹⁴ = 1742729269 is a prime.

It is a super-2 number, since 2×1742745653² = 6074324822100792818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742742653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18125 + ... + 61757.

It is an arithmetic number, because the mean of its divisors is an integer number (237718032).

Almost surely, 2^1742745653 is an apocalyptic number.

It is an amenable number.

1742745653 is a deficient number, since it is larger than the sum of its proper divisors (158998603).

1742745653 is a wasteful number, since it uses less digits than its factorization.

1742745653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47275.

The product of its digits is 705600, while the sum is 44.

The square root of 1742745653 is about 41746.2052526933. The cubic root of 1742745653 is about 1203.4036822633.

The spelling of 1742745653 in words is "one billion, seven hundred forty-two million, seven hundred forty-five thousand, six hundred fifty-three".