745144752 has 80 divisors (see below), whose sum is σ = 2109543552. Its totient is φ = 224770560.

The previous prime is 745144747. The next prime is 745144759. The reversal of 745144752 is 257441547.

It is a self number, because there is not a number n which added to its sum of digits gives 745144752.

It is not an unprimeable number, because it can be changed into a prime (745144759) 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 15 ways as a sum of consecutive naturals, for example, 116748 + ... + 122964.

Almost surely, 2^745144752 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 745144752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054771776).

745144752 is an abundant number, since it is smaller than the sum of its proper divisors (1364398800).

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

745144752 is a wasteful number, since it uses less digits than its factorization.

745144752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466 (or 6460 counting only the distinct ones).

The product of its digits is 156800, while the sum is 39.

The square root of 745144752 is about 27297.3396505960. The cubic root of 745144752 is about 906.5954790802.

The spelling of 745144752 in words is "seven hundred forty-five million, one hundred forty-four thousand, seven hundred fifty-two".