427407067 has 4 divisors (see below), whose sum is σ = 429110136. Its totient is φ = 425704000.

The previous prime is 427407059. The next prime is 427407077. The reversal of 427407067 is 760704724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 427407067 - 2³ = 427407059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427407037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851158 + ... + 851659.

It is an arithmetic number, because the mean of its divisors is an integer number (107277534).

Almost surely, 2^427407067 is an apocalyptic number.

427407067 is a deficient number, since it is larger than the sum of its proper divisors (1703069).

427407067 is a wasteful number, since it uses less digits than its factorization.

427407067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703068.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 427407067 is about 20673.8256498404. The cubic root of 427407067 is about 753.2640360766.

The spelling of 427407067 in words is "four hundred twenty-seven million, four hundred seven thousand, sixty-seven".