427145334 has 32 divisors (see below), whose sum is σ = 1065090816. Its totient is φ = 110946720.

The previous prime is 427145317. The next prime is 427145387. The reversal of 427145334 is 433541724.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 427145295 and 427145304.

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 15 ways as a sum of consecutive naturals, for example, 461817 + ... + 462740.

It is an arithmetic number, because the mean of its divisors is an integer number (33284088).

Almost surely, 2^427145334 is an apocalyptic number.

427145334 is an abundant number, since it is smaller than the sum of its proper divisors (637945482).

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

427145334 is a wasteful number, since it uses less digits than its factorization.

427145334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924580.

The product of its digits is 40320, while the sum is 33.

The square root of 427145334 is about 20667.4946232000. The cubic root of 427145334 is about 753.1102448949.

The spelling of 427145334 in words is "four hundred twenty-seven million, one hundred forty-five thousand, three hundred thirty-four".