1746428445 has 120 divisors (see below), whose sum is σ = 3412769184. Its totient is φ = 853784064.

The previous prime is 1746428441. The next prime is 1746428473. The reversal of 1746428445 is 5448246471.

It is not a de Polignac number, because 1746428445 - 2² = 1746428441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1746428445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1746428441) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5032762 + ... + 5033108.

Almost surely, 2^1746428445 is an apocalyptic number.

1746428445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1746428445 is a deficient number, since it is larger than the sum of its proper divisors (1666340739).

1746428445 is a wasteful number, since it uses less digits than its factorization.

1746428445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 415 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 1746428445 is about 41790.2912768026. The cubic root of 1746428445 is about 1204.2507684436.

The spelling of 1746428445 in words is "one billion, seven hundred forty-six million, four hundred twenty-eight thousand, four hundred forty-five".