172074055 has 8 divisors (see below), whose sum is σ = 207996912. Its totient is φ = 136653888.

The previous prime is 172074053. The next prime is 172074061. The reversal of 172074055 is 550470271.

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

It is a cyclic number.

It is not a de Polignac number, because 172074055 - 2¹ = 172074053 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 (172074053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124917 + ... + 126286.

It is an arithmetic number, because the mean of its divisors is an integer number (25999614).

Almost surely, 2^172074055 is an apocalyptic number.

172074055 is a deficient number, since it is larger than the sum of its proper divisors (35922857).

172074055 is a wasteful number, since it uses less digits than its factorization.

172074055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251345.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 172074055 is about 13117.7000651791. The cubic root of 172074055 is about 556.2095795230.

The spelling of 172074055 in words is "one hundred seventy-two million, seventy-four thousand, fifty-five".