19934734 has 4 divisors (see below), whose sum is σ = 29902104. Its totient is φ = 9967366.

The previous prime is 19934729. The next prime is 19934779. The reversal of 19934734 is 43743991.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 4983682 + ... + 4983685.

It is an arithmetic number, because the mean of its divisors is an integer number (7475526).

Almost surely, 2^19934734 is an apocalyptic number.

19934734 is a deficient number, since it is larger than the sum of its proper divisors (9967370).

19934734 is an equidigital number, since it uses as much as digits as its factorization.

19934734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967369.

The product of its digits is 81648, while the sum is 40.

The square root of 19934734 is about 4464.8330315926. The cubic root of 19934734 is about 271.1461745959.

The spelling of 19934734 in words is "nineteen million, nine hundred thirty-four thousand, seven hundred thirty-four".