744823634 has 4 divisors (see below), whose sum is σ = 1117235454. Its totient is φ = 372411816.

The previous prime is 744823619. The next prime is 744823699. The reversal of 744823634 is 436328447.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 659205625 + 85618009 = 25675^2 + 9253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 744823591 and 744823600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186205907 + ... + 186205910.

Almost surely, 2^744823634 is an apocalyptic number.

744823634 is a deficient number, since it is larger than the sum of its proper divisors (372411820).

744823634 is a wasteful number, since it uses less digits than its factorization.

744823634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372411819.

The product of its digits is 387072, while the sum is 41.

The square root of 744823634 is about 27291.4571615368. The cubic root of 744823634 is about 906.4652287917.

The spelling of 744823634 in words is "seven hundred forty-four million, eight hundred twenty-three thousand, six hundred thirty-four".