745071824 has 80 divisors (see below), whose sum is σ = 1714176000. Its totient is φ = 307097472.

The previous prime is 745071823. The next prime is 745071851. The reversal of 745071824 is 428170547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745071823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309377 + ... + 311775.

It is an arithmetic number, because the mean of its divisors is an integer number (21427200).

Almost surely, 2^745071824 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 745071824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857088000).

745071824 is an abundant number, since it is smaller than the sum of its proper divisors (969104176).

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

745071824 is a wasteful number, since it uses less digits than its factorization.

745071824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 745071824 is about 27296.0038100818. The cubic root of 745071824 is about 906.5659016717.

The spelling of 745071824 in words is "seven hundred forty-five million, seventy-one thousand, eight hundred twenty-four".