999000732 has 12 divisors (see below), whose sum is σ = 2331001736. Its totient is φ = 333000240.

The previous prime is 999000707. The next prime is 999000773. The reversal of 999000732 is 237000999.

It is a tau number, because it is divible by the number of its divisors (12).

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, 41625019 + ... + 41625042.

Almost surely, 2^999000732 is an apocalyptic number.

It is an amenable number.

999000732 is an abundant number, since it is smaller than the sum of its proper divisors (1332001004).

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

999000732 is a wasteful number, since it uses less digits than its factorization.

999000732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83250068 (or 83250066 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 999000732 is about 31606.9728382836. The cubic root of 999000732 is about 999.6667996565. Note that the first 3 decimals are identical.

The spelling of 999000732 in words is "nine hundred ninety-nine million, seven hundred thirty-two", and thus it is an aban number.