1742563945 has 16 divisors (see below), whose sum is σ = 2132464320. Its totient is φ = 1366507584.

The previous prime is 1742563943. The next prime is 1742564017. The reversal of 1742563945 is 5493652471.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1742563945 - 2¹ = 1742563943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1742563895 and 1742563904.

It is not an unprimeable number, because it can be changed into a prime (1742563943) 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 15 ways as a sum of consecutive naturals, for example, 384382 + ... + 388888.

It is an arithmetic number, because the mean of its divisors is an integer number (133279020).

Almost surely, 2^1742563945 is an apocalyptic number.

It is an amenable number.

1742563945 is a deficient number, since it is larger than the sum of its proper divisors (389900375).

1742563945 is a wasteful number, since it uses less digits than its factorization.

1742563945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024.

The product of its digits is 907200, while the sum is 46.

The square root of 1742563945 is about 41744.0288544362. The cubic root of 1742563945 is about 1203.3618563709.

The spelling of 1742563945 in words is "one billion, seven hundred forty-two million, five hundred sixty-three thousand, nine hundred forty-five".