427523842 has 4 divisors (see below), whose sum is σ = 641285766. Its totient is φ = 213761920.

The previous prime is 427523827. The next prime is 427523867. The reversal of 427523842 is 248325724.

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

It can be written as a sum of positive squares in only one way, i.e., 333026001 + 94497841 = 18249^2 + 9721^2 .

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 as a sum of consecutive naturals, namely, 106880959 + ... + 106880962.

Almost surely, 2^427523842 is an apocalyptic number.

427523842 is a deficient number, since it is larger than the sum of its proper divisors (213761924).

427523842 is a wasteful number, since it uses less digits than its factorization.

427523842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213761923.

The product of its digits is 107520, while the sum is 37.

The square root of 427523842 is about 20676.6496802553. The cubic root of 427523842 is about 753.3326314157.

The spelling of 427523842 in words is "four hundred twenty-seven million, five hundred twenty-three thousand, eight hundred forty-two".