427470669 has 8 divisors (see below), whose sum is σ = 633289920. Its totient is φ = 284980428.

The previous prime is 427470629. The next prime is 427470677. The reversal of 427470669 is 966074724.

It is not a de Polignac number, because 427470669 - 2¹² = 427466573 is a prime.

It is a super-2 number, since 2×427470669² = 365462345710615122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427470619) 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, 7916097 + ... + 7916150.

It is an arithmetic number, because the mean of its divisors is an integer number (79161240).

Almost surely, 2^427470669 is an apocalyptic number.

It is an amenable number.

427470669 is a deficient number, since it is larger than the sum of its proper divisors (205819251).

427470669 is a wasteful number, since it uses less digits than its factorization.

427470669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832256 (or 15832250 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 427470669 is about 20675.3638178389. The cubic root of 427470669 is about 753.3013983687.

The spelling of 427470669 in words is "four hundred twenty-seven million, four hundred seventy thousand, six hundred sixty-nine".