427042790 has 16 divisors (see below), whose sum is σ = 769218768. Its totient is φ = 170696736.

The previous prime is 427042769. The next prime is 427042813. The reversal of 427042790 is 97240724.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 427042790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 29231.

It is an arithmetic number, because the mean of its divisors is an integer number (48076173).

Almost surely, 2^427042790 is an apocalyptic number.

427042790 is a deficient number, since it is larger than the sum of its proper divisors (342175978).

427042790 is a wasteful number, since it uses less digits than its factorization.

427042790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30103.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 427042790 is about 20665.0136704528. The cubic root of 427042790 is about 753.0499741381.

The spelling of 427042790 in words is "four hundred twenty-seven million, forty-two thousand, seven hundred ninety".