745189764 has 48 divisors (see below), whose sum is σ = 2008431936. Its totient is φ = 212531200.

The previous prime is 745189763. The next prime is 745189843. The reversal of 745189764 is 467981547.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (745189763) 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, 163797 + ... + 168284.

It is an arithmetic number, because the mean of its divisors is an integer number (41842332).

Almost surely, 2^745189764 is an apocalyptic number.

It is an amenable number.

745189764 is an abundant number, since it is smaller than the sum of its proper divisors (1263242172).

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

745189764 is a wasteful number, since it uses less digits than its factorization.

745189764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332116 (or 332114 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 745189764 is about 27298.1641140938. The cubic root of 745189764 is about 906.6137336336.

The spelling of 745189764 in words is "seven hundred forty-five million, one hundred eighty-nine thousand, seven hundred sixty-four".