427166302 has 4 divisors (see below), whose sum is σ = 640749456. Its totient is φ = 213583150.

The previous prime is 427166279. The next prime is 427166309. The reversal of 427166302 is 203661724.

It is a semiprime because it is the product of two primes.

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 not an unprimeable number, because it can be changed into a prime (427166309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106791574 + ... + 106791577.

It is an arithmetic number, because the mean of its divisors is an integer number (160187364).

Almost surely, 2^427166302 is an apocalyptic number.

427166302 is a deficient number, since it is larger than the sum of its proper divisors (213583154).

427166302 is a wasteful number, since it uses less digits than its factorization.

427166302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213583153.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 427166302 is about 20668.0018869749. The cubic root of 427166302 is about 753.1225677556.

The spelling of 427166302 in words is "four hundred twenty-seven million, one hundred sixty-six thousand, three hundred two".