427367761 has 4 divisors (see below), whose sum is σ = 445948992. Its totient is φ = 408786532.

The previous prime is 427367753. The next prime is 427367771. The reversal of 427367761 is 167763724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427367761 - 2³ = 427367753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427367711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9290581 + ... + 9290626.

It is an arithmetic number, because the mean of its divisors is an integer number (111487248).

Almost surely, 2^427367761 is an apocalyptic number.

It is an amenable number.

427367761 is a deficient number, since it is larger than the sum of its proper divisors (18581231).

427367761 is a wasteful number, since it uses less digits than its factorization.

427367761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18581230.

The product of its digits is 296352, while the sum is 43.

The square root of 427367761 is about 20672.8750056687. The cubic root of 427367761 is about 753.2409443481.

The spelling of 427367761 in words is "four hundred twenty-seven million, three hundred sixty-seven thousand, seven hundred sixty-one".