8445772732 has 6 divisors (see below), whose sum is σ = 14780102288. Its totient is φ = 4222886364.

The previous prime is 8445772721. The next prime is 8445772733. The reversal of 8445772732 is 2372775448.

It is a super-3 number, since 3×8445772732³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445772733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055721588 + ... + 1055721595.

Almost surely, 2^8445772732 is an apocalyptic number.

It is an amenable number.

8445772732 is a deficient number, since it is larger than the sum of its proper divisors (6334329556).

8445772732 is a wasteful number, since it uses less digits than its factorization.

8445772732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111443187 (or 2111443185 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 49.

The square root of 8445772732 is about 91900.8853711432. The cubic root of 8445772732 is about 2036.4783476885.

The spelling of 8445772732 in words is "eight billion, four hundred forty-five million, seven hundred seventy-two thousand, seven hundred thirty-two".