427739542 has 8 divisors (see below), whose sum is σ = 648224136. Its totient is φ = 211664832.

The previous prime is 427739537. The next prime is 427739551. The reversal of 427739542 is 245937724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×427739542² = 365922231580739528, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1102228 + ... + 1102615.

It is an arithmetic number, because the mean of its divisors is an integer number (81028017).

Almost surely, 2^427739542 is an apocalyptic number.

427739542 is a deficient number, since it is larger than the sum of its proper divisors (220484594).

427739542 is a wasteful number, since it uses less digits than its factorization.

427739542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204942.

The product of its digits is 423360, while the sum is 43.

The square root of 427739542 is about 20681.8650512955. The cubic root of 427739542 is about 753.4593039054.

The spelling of 427739542 in words is "four hundred twenty-seven million, seven hundred thirty-nine thousand, five hundred forty-two".