109742726 has 8 divisors (see below), whose sum is σ = 166124640. Its totient is φ = 54367848.

The previous prime is 109742707. The next prime is 109742741. The reversal of 109742726 is 627247901.

109742726 is nontrivially palindromic in base 16.

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

It is a super-2 number, since 2×109742726² = 24086931819822152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109742726.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251486 + ... + 251921.

It is an arithmetic number, because the mean of its divisors is an integer number (20765580).

Almost surely, 2^109742726 is an apocalyptic number.

109742726 is a deficient number, since it is larger than the sum of its proper divisors (56381914).

109742726 is a wasteful number, since it uses less digits than its factorization.

109742726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503518.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 109742726 is about 10475.8162450474. The cubic root of 109742726 is about 478.7681462989.

The spelling of 109742726 in words is "one hundred nine million, seven hundred forty-two thousand, seven hundred twenty-six".