172607741 has 2 divisors, whose sum is σ = 172607742. Its totient is φ = 172607740.

The previous prime is 172607683. The next prime is 172607753. The reversal of 172607741 is 147706271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 28847641 = 11990^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 172607741 - 2¹⁸ = 172345597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172607791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86303870 + 86303871.

It is an arithmetic number, because the mean of its divisors is an integer number (86303871).

Almost surely, 2^172607741 is an apocalyptic number.

It is an amenable number.

172607741 is a deficient number, since it is larger than the sum of its proper divisors (1).

172607741 is an equidigital number, since it uses as much as digits as its factorization.

172607741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 172607741 is about 13138.0265260807. The cubic root of 172607741 is about 556.7840122576.

The spelling of 172607741 in words is "one hundred seventy-two million, six hundred seven thousand, seven hundred forty-one".