427252173 has 8 divisors (see below), whose sum is σ = 573828288. Its totient is φ = 282755424.

The previous prime is 427252169. The next prime is 427252181. The reversal of 427252173 is 371252724.

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

It is not a de Polignac number, because 427252173 - 2² = 427252169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427252123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519361 + ... + 520182.

It is an arithmetic number, because the mean of its divisors is an integer number (71728536).

Almost surely, 2^427252173 is an apocalyptic number.

It is an amenable number.

427252173 is a deficient number, since it is larger than the sum of its proper divisors (146576115).

427252173 is a wasteful number, since it uses less digits than its factorization.

427252173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039683.

The product of its digits is 23520, while the sum is 33.

The square root of 427252173 is about 20670.0791725625. The cubic root of 427252173 is about 753.1730298002.

The spelling of 427252173 in words is "four hundred twenty-seven million, two hundred fifty-two thousand, one hundred seventy-three".