9999999674 has 32 divisors (see below), whose sum is σ = 17570044800. Its totient is φ = 4266767904.

The previous prime is 9999999673. The next prime is 9999999679. The reversal of 9999999674 is 4769999999.

It is not an unprimeable number, because it can be changed into a prime (9999999673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123614 + ... + 187830.

It is an arithmetic number, because the mean of its divisors is an integer number (549063900).

Almost surely, 2^9999999674 is an apocalyptic number.

9999999674 is a deficient number, since it is larger than the sum of its proper divisors (7570045126).

9999999674 is a wasteful number, since it uses less digits than its factorization.

9999999674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64467 (or 64453 counting only the distinct ones).

The product of its digits is 803538792, while the sum is 80.

The square root of 9999999674 is about 99999.9983700000. The cubic root of 9999999674 is about 2154.4346666204.

The spelling of 9999999674 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, six hundred seventy-four".