427462091 has 4 divisors (see below), whose sum is σ = 488528112. Its totient is φ = 366396072.

The previous prime is 427462031. The next prime is 427462109. The reversal of 427462091 is 190264724.

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

It is not a de Polignac number, because 427462091 - 2⁶ = 427462027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427462031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30533000 + ... + 30533013.

It is an arithmetic number, because the mean of its divisors is an integer number (122132028).

Almost surely, 2^427462091 is an apocalyptic number.

427462091 is a deficient number, since it is larger than the sum of its proper divisors (61066021).

427462091 is an equidigital number, since it uses as much as digits as its factorization.

427462091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61066020.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 427462091 is about 20675.1563718391. The cubic root of 427462091 is about 753.2963595336.

The spelling of 427462091 in words is "four hundred twenty-seven million, four hundred sixty-two thousand, ninety-one".