1722750041 has 4 divisors (see below), whose sum is σ = 1730144052. Its totient is φ = 1715356032.

The previous prime is 1722750037. The next prime is 1722750053. The reversal of 1722750041 is 1400572271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1400572271 = 7 ⋅200081753.

It can be written as a sum of positive squares in 2 ways, for example, as 193627225 + 1529122816 = 13915^2 + 39104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1722750041 - 2² = 1722750037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1722749986 and 1722750013.

It is not an unprimeable number, because it can be changed into a prime (1722756041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696656 + ... + 3697121.

It is an arithmetic number, because the mean of its divisors is an integer number (432536013).

Almost surely, 2^1722750041 is an apocalyptic number.

It is an amenable number.

1722750041 is a deficient number, since it is larger than the sum of its proper divisors (7394011).

1722750041 is an equidigital number, since it uses as much as digits as its factorization.

1722750041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394010.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 1722750041 is about 41506.0241531275. The cubic root of 1722750041 is about 1198.7834989006.

The spelling of 1722750041 in words is "one billion, seven hundred twenty-two million, seven hundred fifty thousand, forty-one".