1742406445 has 8 divisors (see below), whose sum is σ = 2251725336. Its totient is φ = 1286700096.

The previous prime is 1742406443. The next prime is 1742406461. The reversal of 1742406445 is 5446042471.

It can be written as a sum of positive squares in 4 ways, for example, as 11881 + 1742394564 = 109^2 + 41742^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1742406445 - 2¹ = 1742406443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742406443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13403062 + ... + 13403191.

It is an arithmetic number, because the mean of its divisors is an integer number (281465667).

Almost surely, 2^1742406445 is an apocalyptic number.

It is an amenable number.

1742406445 is a deficient number, since it is larger than the sum of its proper divisors (509318891).

1742406445 is a wasteful number, since it uses less digits than its factorization.

1742406445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26806271.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 1742406445 is about 41742.1423144524. The cubic root of 1742406445 is about 1203.3256003694.

The spelling of 1742406445 in words is "one billion, seven hundred forty-two million, four hundred six thousand, four hundred forty-five".