745522000 has 160 divisors (see below), whose sum is σ = 1982373120. Its totient is φ = 269913600.

The previous prime is 745521971. The next prime is 745522027. The reversal of 745522000 is 225547.

745522000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873574 + ... + 874426.

It is an arithmetic number, because the mean of its divisors is an integer number (12389832).

Almost surely, 2^745522000 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 745522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991186560).

745522000 is an abundant number, since it is smaller than the sum of its proper divisors (1236851120).

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

745522000 is a wasteful number, since it uses less digits than its factorization.

745522000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 745522000 is about 27304.2487536281. The cubic root of 745522000 is about 906.7484487456.

Adding to 745522000 its reverse (225547), we get a palindrome (745747547).

The spelling of 745522000 in words is "seven hundred forty-five million, five hundred twenty-two thousand".