1721132834 has 16 divisors (see below), whose sum is σ = 2671868160. Its totient is φ = 830653680.

The previous prime is 1721132827. The next prime is 1721132843. The reversal of 1721132834 is 4382311271.

It is a self number, because there is not a number n which added to its sum of digits gives 1721132834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11564 + ... + 59799.

It is an arithmetic number, because the mean of its divisors is an integer number (166991760).

Almost surely, 2^1721132834 is an apocalyptic number.

1721132834 is a deficient number, since it is larger than the sum of its proper divisors (950735326).

1721132834 is a wasteful number, since it uses less digits than its factorization.

1721132834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71785.

The product of its digits is 8064, while the sum is 32.

The square root of 1721132834 is about 41486.5379852308. The cubic root of 1721132834 is about 1198.4082678315.

The spelling of 1721132834 in words is "one billion, seven hundred twenty-one million, one hundred thirty-two thousand, eight hundred thirty-four".