1745782961 has 16 divisors (see below), whose sum is σ = 1965841920. Its totient is φ = 1538264640.

The previous prime is 1745782957. The next prime is 1745782981. The reversal of 1745782961 is 1692875471.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1745782961 - 2² = 1745782957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1745782901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146456 + ... + 157926.

It is an arithmetic number, because the mean of its divisors is an integer number (122865120).

Almost surely, 2^1745782961 is an apocalyptic number.

It is an amenable number.

1745782961 is a deficient number, since it is larger than the sum of its proper divisors (220058959).

1745782961 is a wasteful number, since it uses less digits than its factorization.

1745782961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016.

The product of its digits is 846720, while the sum is 50.

The square root of 1745782961 is about 41782.5676688257. The cubic root of 1745782961 is about 1204.1023855364.

The spelling of 1745782961 in words is "one billion, seven hundred forty-five million, seven hundred eighty-two thousand, nine hundred sixty-one".