172054709 has 16 divisors (see below), whose sum is σ = 190464000. Its totient is φ = 154768320.

The previous prime is 172054703. The next prime is 172054717. The reversal of 172054709 is 907450271.

It is a cyclic number.

It is not a de Polignac number, because 172054709 - 2⁴ = 172054693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172054703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31052 + ... + 36170.

It is an arithmetic number, because the mean of its divisors is an integer number (11904000).

Almost surely, 2^172054709 is an apocalyptic number.

172054709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

172054709 is a deficient number, since it is larger than the sum of its proper divisors (18409291).

172054709 is a wasteful number, since it uses less digits than its factorization.

172054709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 172054709 is about 13116.9626438440. The cubic root of 172054709 is about 556.1887341689.

The spelling of 172054709 in words is "one hundred seventy-two million, fifty-four thousand, seven hundred nine".