427806172 has 24 divisors (see below), whose sum is σ = 759449600. Its totient is φ = 210830256.

The previous prime is 427806167. The next prime is 427806199. The reversal of 427806172 is 271608724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327673 + ... + 328975.

Almost surely, 2^427806172 is an apocalyptic number.

It is an amenable number.

427806172 is a deficient number, since it is larger than the sum of its proper divisors (331643428).

427806172 is a wasteful number, since it uses less digits than its factorization.

427806172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 427806172 is about 20683.4758200840. The cubic root of 427806172 is about 753.4984245867.

The spelling of 427806172 in words is "four hundred twenty-seven million, eight hundred six thousand, one hundred seventy-two".