745523844 has 48 divisors (see below), whose sum is σ = 1885833600. Its totient is φ = 227865600.

The previous prime is 745523833. The next prime is 745523879. The reversal of 745523844 is 448325547.

745523844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 745523796 and 745523805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7732 + ... + 39380.

It is an arithmetic number, because the mean of its divisors is an integer number (39288200).

Almost surely, 2^745523844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745523844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942916800).

745523844 is an abundant number, since it is smaller than the sum of its proper divisors (1140309756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745523844 is a wasteful number, since it uses less digits than its factorization.

745523844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31820 (or 31818 counting only the distinct ones).

The product of its digits is 537600, while the sum is 42.

The square root of 745523844 is about 27304.2825212456. The cubic root of 745523844 is about 906.7491963394.

The spelling of 745523844 in words is "seven hundred forty-five million, five hundred twenty-three thousand, eight hundred forty-four".