745376256 has 140 divisors (see below), whose sum is σ = 2234041722. Its totient is φ = 248334336.

The previous prime is 745376221. The next prime is 745376257. The reversal of 745376256 is 652673547.

745376256 is a `hidden beast` number, since 7 + 4 + 537 + 62 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 740710656 + 4665600 = 27216^2 + 2160^2 .

It is not an unprimeable number, because it can be changed into a prime (745376257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 372250 + ... + 374246.

Almost surely, 2^745376256 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 745376256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117020861).

745376256 is an abundant number, since it is smaller than the sum of its proper divisors (1488665466).

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

745376256 is an frugal number, since it uses more digits than its factorization.

745376256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 2002 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 745376256 is about 27301.5797345135. The cubic root of 745376256 is about 906.6893573714.

The spelling of 745376256 in words is "seven hundred forty-five million, three hundred seventy-six thousand, two hundred fifty-six".