172804414 has 4 divisors (see below), whose sum is σ = 259206624. Its totient is φ = 86402206.

The previous prime is 172804397. The next prime is 172804421. The reversal of 172804414 is 414408271.

It is a happy number.

172804414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414408271 = 59 ⋅7023869.

It is a super-2 number, since 2×172804414² = 59722730995766792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43201102 + ... + 43201105.

It is an arithmetic number, because the mean of its divisors is an integer number (64801656).

Almost surely, 2^172804414 is an apocalyptic number.

172804414 is a deficient number, since it is larger than the sum of its proper divisors (86402210).

172804414 is an equidigital number, since it uses as much as digits as its factorization.

172804414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86402209.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 172804414 is about 13145.5092712302. The cubic root of 172804414 is about 556.9954025795.

The spelling of 172804414 in words is "one hundred seventy-two million, eight hundred four thousand, four hundred fourteen".