427155774 has 16 divisors (see below), whose sum is σ = 854762112. Its totient is φ = 142310168.

The previous prime is 427155763. The next prime is 427155797. The reversal of 427155774 is 477551724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5754 + ... + 29789.

It is an arithmetic number, because the mean of its divisors is an integer number (53422632).

Almost surely, 2^427155774 is an apocalyptic number.

427155774 is an abundant number, since it is smaller than the sum of its proper divisors (427606338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427155774 is a wasteful number, since it uses less digits than its factorization.

427155774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37551.

The product of its digits is 274400, while the sum is 42.

The square root of 427155774 is about 20667.7471921833. The cubic root of 427155774 is about 753.1163805169.

The spelling of 427155774 in words is "four hundred twenty-seven million, one hundred fifty-five thousand, seven hundred seventy-four".