744557066 has 32 divisors (see below), whose sum is σ = 1284534720. Its totient is φ = 320112000.

The previous prime is 744557063. The next prime is 744557087. The reversal of 744557066 is 660755447.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (744557063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390716 + ... + 392616.

It is an arithmetic number, because the mean of its divisors is an integer number (40141710).

Almost surely, 2^744557066 is an apocalyptic number.

744557066 is a deficient number, since it is larger than the sum of its proper divisors (539977654).

744557066 is a wasteful number, since it uses less digits than its factorization.

744557066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 744557066 is about 27286.5729984548. The cubic root of 744557066 is about 906.3570763627.

The spelling of 744557066 in words is "seven hundred forty-four million, five hundred fifty-seven thousand, sixty-six".