999140672 has 28 divisors (see below), whose sum is σ = 1984126080. Its totient is φ = 499203456.

The previous prime is 999140663. The next prime is 999140693. The reversal of 999140672 is 276041999.

999140672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×999140672³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96113 + ... + 105999.

Almost surely, 2^999140672 is an apocalyptic number.

It is an amenable number.

999140672 is a deficient number, since it is larger than the sum of its proper divisors (984985408).

999140672 is a wasteful number, since it uses less digits than its factorization.

999140672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11478 (or 11468 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 999140672 is about 31609.1865127845. The cubic root of 999140672 is about 999.7134752447.

The spelling of 999140672 in words is "nine hundred ninety-nine million, one hundred forty thousand, six hundred seventy-two".