1066744472 has 32 divisors (see below), whose sum is σ = 2079803520. Its totient is φ = 512382720.

The previous prime is 1066744457. The next prime is 1066744487. The reversal of 1066744472 is 2744476601.

It is an interprime number because it is at equal distance from previous prime (1066744457) and next prime (1066744487).

It is a super-2 number, since 2×1066744472² = 2275887537085117568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18278 + ... + 49674.

It is an arithmetic number, because the mean of its divisors is an integer number (64993860).

Almost surely, 2^1066744472 is an apocalyptic number.

It is an amenable number.

1066744472 is a deficient number, since it is larger than the sum of its proper divisors (1013059048).

1066744472 is a wasteful number, since it uses less digits than its factorization.

1066744472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31571 (or 31567 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 1066744472 is about 32661.0543614256. The cubic root of 1066744472 is about 1021.7707521544.

The spelling of 1066744472 in words is "one billion, sixty-six million, seven hundred forty-four thousand, four hundred seventy-two".