172077 has 8 divisors (see below), whose sum is σ = 235200. Its totient is φ = 111840.

The previous prime is 172069. The next prime is 172079. The reversal of 172077 is 770271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172077 - 2³ = 172069 is a prime.

It is a super-2 number, since 2×172077² = 59220987858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (29400).

2¹⁷²⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

172077 is a deficient number, since it is larger than the sum of its proper divisors (63123).

172077 is a wasteful number, since it uses less digits than its factorization.

172077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 172077 is about 414.8216484225. The cubic root of 172077 is about 55.6212752629.

The spelling of 172077 in words is "one hundred seventy-two thousand, seventy-seven", and thus it is an iban number.