745763441 has 4 divisors (see below), whose sum is σ = 745869300. Its totient is φ = 745657584.

The previous prime is 745763437. The next prime is 745763443. The reversal of 745763441 is 144367547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6739216 + 739024225 = 2596^2 + 27185^2 .

It is a cyclic number.

It is not a de Polignac number, because 745763441 - 2² = 745763437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745763443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41546 + ... + 56723.

It is an arithmetic number, because the mean of its divisors is an integer number (186467325).

Almost surely, 2^745763441 is an apocalyptic number.

It is an amenable number.

745763441 is a deficient number, since it is larger than the sum of its proper divisors (105859).

745763441 is an equidigital number, since it uses as much as digits as its factorization.

745763441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105858.

The product of its digits is 282240, while the sum is 41.

The square root of 745763441 is about 27308.6697039603. The cubic root of 745763441 is about 906.8463231759.

The spelling of 745763441 in words is "seven hundred forty-five million, seven hundred sixty-three thousand, four hundred forty-one".