1745366642 has 16 divisors (see below), whose sum is σ = 2797490520. Its totient is φ = 813811968.

The previous prime is 1745366639. The next prime is 1745366647. The reversal of 1745366642 is 2466635471.

It can be written as a sum of positive squares in 4 ways, for example, as 1661296081 + 84070561 = 40759^2 + 9169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1745366593 and 1745366602.

It is not an unprimeable number, because it can be changed into a prime (1745366647) 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, 231773 + ... + 239184.

Almost surely, 2^1745366642 is an apocalyptic number.

1745366642 is a deficient number, since it is larger than the sum of its proper divisors (1052123878).

1745366642 is a wasteful number, since it uses less digits than its factorization.

1745366642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471085.

The product of its digits is 725760, while the sum is 44.

The square root of 1745366642 is about 41777.5854017438. The cubic root of 1745366642 is about 1204.0066633370.

The spelling of 1745366642 in words is "one billion, seven hundred forty-five million, three hundred sixty-six thousand, six hundred forty-two".