744998693 has 4 divisors (see below), whose sum is σ = 762324288. Its totient is φ = 727673100.

The previous prime is 744998671. The next prime is 744998699. The reversal of 744998693 is 396899447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396899447 = 7 ⋅56699921.

It is a cyclic number.

It is not a de Polignac number, because 744998693 - 2⁶ = 744998629 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 (744998699) 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, 8662733 + ... + 8662818.

It is an arithmetic number, because the mean of its divisors is an integer number (190581072).

Almost surely, 2^744998693 is an apocalyptic number.

It is an amenable number.

744998693 is a deficient number, since it is larger than the sum of its proper divisors (17325595).

744998693 is a wasteful number, since it uses less digits than its factorization.

744998693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17325594.

The product of its digits is 11757312, while the sum is 59.

The square root of 744998693 is about 27294.6641855144. The cubic root of 744998693 is about 906.5362399943.

The spelling of 744998693 in words is "seven hundred forty-four million, nine hundred ninety-eight thousand, six hundred ninety-three".