172677413 has 4 divisors (see below), whose sum is σ = 173067648. Its totient is φ = 172287180.

The previous prime is 172677391. The next prime is 172677419. The reversal of 172677413 is 314776271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314776271 = 4349 ⋅72379.

It is a cyclic number.

It is not a de Polignac number, because 172677413 - 2¹⁴ = 172661029 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 (172677419) 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 3 ways as a sum of consecutive naturals, for example, 194453 + ... + 195338.

It is an arithmetic number, because the mean of its divisors is an integer number (43266912).

Almost surely, 2^172677413 is an apocalyptic number.

It is an amenable number.

172677413 is a deficient number, since it is larger than the sum of its proper divisors (390235).

172677413 is an equidigital number, since it uses as much as digits as its factorization.

172677413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390234.

The product of its digits is 49392, while the sum is 38.

The square root of 172677413 is about 13140.6777983482. The cubic root of 172677413 is about 556.8589162707.

The spelling of 172677413 in words is "one hundred seventy-two million, six hundred seventy-seven thousand, four hundred thirteen".