999950072 has 32 divisors (see below), whose sum is σ = 2046567600. Its totient is φ = 454252800.

The previous prime is 999950071. The next prime is 999950111. The reversal of 999950072 is 270059999.

It is a self number, because there is not a number n which added to its sum of digits gives 999950072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999950071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280622 + ... + 284162.

Almost surely, 2^999950072 is an apocalyptic number.

It is an amenable number.

999950072 is an abundant number, since it is smaller than the sum of its proper divisors (1046617528).

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

999950072 is a wasteful number, since it uses less digits than its factorization.

999950072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767 (or 6763 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 999950072 is about 31621.9871608348. The cubic root of 999950072 is about 999.9833570563.

The spelling of 999950072 in words is "nine hundred ninety-nine million, nine hundred fifty thousand, seventy-two".