1723450772 has 6 divisors (see below), whose sum is σ = 3016038858. Its totient is φ = 861725384.

The previous prime is 1723450763. The next prime is 1723450777. The reversal of 1723450772 is 2770543271.

It can be written as a sum of positive squares in only one way, i.e., 1713628816 + 9821956 = 41396^2 + 3134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1723450777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215431343 + ... + 215431350.

It is an arithmetic number, because the mean of its divisors is an integer number (502673143).

Almost surely, 2^1723450772 is an apocalyptic number.

It is an amenable number.

1723450772 is a deficient number, since it is larger than the sum of its proper divisors (1292588086).

1723450772 is a wasteful number, since it uses less digits than its factorization.

1723450772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430862697 (or 430862695 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 1723450772 is about 41514.4646117471. The cubic root of 1723450772 is about 1198.9460124926.

The spelling of 1723450772 in words is "one billion, seven hundred twenty-three million, four hundred fifty thousand, seven hundred seventy-two".