19426734 has 24 divisors (see below), whose sum is σ = 42468192. Its totient is φ = 6417600.

The previous prime is 19426681. The next prime is 19426747. The reversal of 19426734 is 43762491.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2742 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1769508).

Almost surely, 2^19426734 is an apocalyptic number.

19426734 is an abundant number, since it is smaller than the sum of its proper divisors (23041458).

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

19426734 is a wasteful number, since it uses less digits than its factorization.

19426734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672 (or 9669 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 19426734 is about 4407.5768853192. The cubic root of 19426734 is about 268.8231079996.

The spelling of 19426734 in words is "nineteen million, four hundred twenty-six thousand, seven hundred thirty-four".