172948703 has 2 divisors, whose sum is σ = 172948704. Its totient is φ = 172948702.

The previous prime is 172948637. The next prime is 172948717. The reversal of 172948703 is 307849271.

It is a strong prime.

It is an emirp because it is prime and its reverse (307849271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172948703 is a prime.

It is a super-2 number, since 2×172948703² = 59822507738764418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172948723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86474351 + 86474352.

It is an arithmetic number, because the mean of its divisors is an integer number (86474352).

Almost surely, 2^172948703 is an apocalyptic number.

172948703 is a deficient number, since it is larger than the sum of its proper divisors (1).

172948703 is an equidigital number, since it uses as much as digits as its factorization.

172948703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 172948703 is about 13150.9962740471. The cubic root of 172948703 is about 557.1503869525.

The spelling of 172948703 in words is "one hundred seventy-two million, nine hundred forty-eight thousand, seven hundred three".