999674747 has 8 divisors (see below), whose sum is σ = 1037998800. Its totient is φ = 961607584.

The previous prime is 999674719. The next prime is 999674779. The reversal of 999674747 is 747476999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 999674747 - 2⁸ = 999674491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 999674747.

It is not an unprimeable number, because it can be changed into a prime (999674717) 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, 56273 + ... + 71874.

It is an arithmetic number, because the mean of its divisors is an integer number (129749850).

Almost surely, 2^999674747 is an apocalyptic number.

999674747 is a deficient number, since it is larger than the sum of its proper divisors (38324053).

999674747 is a wasteful number, since it uses less digits than its factorization.

999674747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128445.

The product of its digits is 24004512, while the sum is 62.

The square root of 999674747 is about 31617.6334819670. The cubic root of 999674747 is about 999.8915705768.

The spelling of 999674747 in words is "nine hundred ninety-nine million, six hundred seventy-four thousand, seven hundred forty-seven".