745488744 has 432 divisors, whose sum is σ = 2663660160. Its totient is φ = 172972800.

The previous prime is 745488727. The next prime is 745488749. The reversal of 745488744 is 447884547.

It is not an unprimeable number, because it can be changed into a prime (745488749) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 24048009 + ... + 24048039.

It is an arithmetic number, because the mean of its divisors is an integer number (6165880).

Almost surely, 2^745488744 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 745488744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331830080).

745488744 is an abundant number, since it is smaller than the sum of its proper divisors (1918171416).

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

745488744 is a wasteful number, since it uses less digits than its factorization.

745488744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 67 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 51.

The square root of 745488744 is about 27303.6397573657. The cubic root of 745488744 is about 906.7349658997.

The spelling of 745488744 in words is "seven hundred forty-five million, four hundred eighty-eight thousand, seven hundred forty-four".