427305269 has 8 divisors (see below), whose sum is σ = 450072000. Its totient is φ = 404566272.

The previous prime is 427305257. The next prime is 427305283. The reversal of 427305269 is 962503724.

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

It is a cyclic number.

It is not a de Polignac number, because 427305269 - 2⁴ = 427305253 is a prime.

It is a super-2 number, since 2×427305269² = 365179585830324722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427305469) 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, 29717 + ... + 41685.

It is an arithmetic number, because the mean of its divisors is an integer number (56259000).

Almost surely, 2^427305269 is an apocalyptic number.

It is an amenable number.

427305269 is a deficient number, since it is larger than the sum of its proper divisors (22766731).

427305269 is a wasteful number, since it uses less digits than its factorization.

427305269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13867.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 427305269 is about 20671.3635012304. The cubic root of 427305269 is about 753.2042282518.

The spelling of 427305269 in words is "four hundred twenty-seven million, three hundred five thousand, two hundred sixty-nine".