427073642 has 8 divisors (see below), whose sum is σ = 640969632. Its totient is φ = 213417100.

The previous prime is 427073593. The next prime is 427073693. The reversal of 427073642 is 246370724.

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

It is a super-2 number, since 2×427073642² = 364783791382288328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55334 + ... + 62577.

It is an arithmetic number, because the mean of its divisors is an integer number (80121204).

Almost surely, 2^427073642 is an apocalyptic number.

427073642 is a deficient number, since it is larger than the sum of its proper divisors (213895990).

427073642 is a wasteful number, since it uses less digits than its factorization.

427073642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119724.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 427073642 is about 20665.7601360318. The cubic root of 427073642 is about 753.0681085725.

The spelling of 427073642 in words is "four hundred twenty-seven million, seventy-three thousand, six hundred forty-two".