427667431 has 8 divisors (see below), whose sum is σ = 432684000. Its totient is φ = 422666400.

The previous prime is 427667411. The next prime is 427667467. The reversal of 427667431 is 134766724.

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 427667431 - 2²³ = 419278823 is a prime.

It is a super-2 number, since 2×427667431² = 365798863076279522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427667411) 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, 56965 + ... + 64033.

It is an arithmetic number, because the mean of its divisors is an integer number (54085500).

Almost surely, 2^427667431 is an apocalyptic number.

427667431 is a deficient number, since it is larger than the sum of its proper divisors (5016569).

427667431 is a wasteful number, since it uses less digits than its factorization.

427667431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769.

The product of its digits is 169344, while the sum is 40.

The square root of 427667431 is about 20680.1216389073. The cubic root of 427667431 is about 753.4169605694.

The spelling of 427667431 in words is "four hundred twenty-seven million, six hundred sixty-seven thousand, four hundred thirty-one".