172330077 has 8 divisors (see below), whose sum is σ = 232355520. Its totient is φ = 113595680.

The previous prime is 172330061. The next prime is 172330079. The reversal of 172330077 is 770033271.

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 172330077 - 2⁴ = 172330061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172330079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322449 + ... + 322982.

It is an arithmetic number, because the mean of its divisors is an integer number (29044440).

Almost surely, 2^172330077 is an apocalyptic number.

It is an amenable number.

172330077 is a deficient number, since it is larger than the sum of its proper divisors (60025443).

172330077 is an equidigital number, since it uses as much as digits as its factorization.

172330077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645523.

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 172330077 is about 13127.4550846689. The cubic root of 172330077 is about 556.4852967089.

The spelling of 172330077 in words is "one hundred seventy-two million, three hundred thirty thousand, seventy-seven".