745454693 has 4 divisors (see below), whose sum is σ = 748548108. Its totient is φ = 742361280.

The previous prime is 745454687. The next prime is 745454711. The reversal of 745454693 is 396454547.

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 661878529 + 83576164 = 25727^2 + 9142^2 .

It is a cyclic number.

It is not a de Polignac number, because 745454693 - 2¹⁰ = 745453669 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 (745454093) 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 3 ways as a sum of consecutive naturals, for example, 1546346 + ... + 1546827.

It is an arithmetic number, because the mean of its divisors is an integer number (187137027).

Almost surely, 2^745454693 is an apocalyptic number.

It is an amenable number.

745454693 is a deficient number, since it is larger than the sum of its proper divisors (3093415).

745454693 is a wasteful number, since it uses less digits than its factorization.

745454693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093414.

The product of its digits is 1814400, while the sum is 47.

The square root of 745454693 is about 27303.0161886924. The cubic root of 745454693 is about 906.7211603246.

The spelling of 745454693 in words is "seven hundred forty-five million, four hundred fifty-four thousand, six hundred ninety-three".