745046544 has 160 divisors (see below), whose sum is σ = 2306995200. Its totient is φ = 204526080.

The previous prime is 745046531. The next prime is 745046557. The reversal of 745046544 is 445640547.

It is an interprime number because it is at equal distance from previous prime (745046531) and next prime (745046557).

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, 229122 + ... + 232350.

It is an arithmetic number, because the mean of its divisors is an integer number (14418720).

Almost surely, 2^745046544 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 745046544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153497600).

745046544 is an abundant number, since it is smaller than the sum of its proper divisors (1561948656).

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

745046544 is a wasteful number, since it uses less digits than its factorization.

745046544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3287 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 745046544 is about 27295.5407347061. The cubic root of 745046544 is about 906.5556484117. Note that the first 3 decimals are identical.

The spelling of 745046544 in words is "seven hundred forty-five million, forty-six thousand, five hundred forty-four".