1722704049 has 12 divisors (see below), whose sum is σ = 2714564112. Its totient is φ = 1044063000.

The previous prime is 1722704033. The next prime is 1722704051. The reversal of 1722704049 is 9404072271.

It is not a de Polignac number, because 1722704049 - 2⁴ = 1722704033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1722704029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8700427 + ... + 8700624.

It is an arithmetic number, because the mean of its divisors is an integer number (226213676).

Almost surely, 2^1722704049 is an apocalyptic number.

It is an amenable number.

1722704049 is a deficient number, since it is larger than the sum of its proper divisors (991860063).

1722704049 is a wasteful number, since it uses less digits than its factorization.

1722704049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17401068 (or 17401065 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1722704049 is about 41505.4701093723. The cubic root of 1722704049 is about 1198.7728308911.

The spelling of 1722704049 in words is "one billion, seven hundred twenty-two million, seven hundred four thousand, forty-nine".