9999999734 has 4 divisors (see below), whose sum is σ = 14999999604. Its totient is φ = 4999999866.

The previous prime is 9999999727. The next prime is 9999999769. The reversal of 9999999734 is 4379999999.

9999999734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499999932 + ... + 2499999935.

It is an arithmetic number, because the mean of its divisors is an integer number (3749999901).

Almost surely, 2^9999999734 is an apocalyptic number.

9999999734 is a deficient number, since it is larger than the sum of its proper divisors (4999999870).

9999999734 is a wasteful number, since it uses less digits than its factorization.

9999999734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999999869.

The product of its digits is 401769396, while the sum is 77.

The square root of 9999999734 is about 99999.9986700000. The cubic root of 9999999734 is about 2154.4346709292.

The spelling of 9999999734 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred thirty-four".