427393730 has 32 divisors (see below), whose sum is σ = 782421120. Its totient is φ = 168058240.

The previous prime is 427393723. The next prime is 427393763. The reversal of 427393730 is 37393724.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 330926 + ... + 332214.

It is an arithmetic number, because the mean of its divisors is an integer number (24450660).

Almost surely, 2^427393730 is an apocalyptic number.

427393730 is a deficient number, since it is larger than the sum of its proper divisors (355027390).

427393730 is a wasteful number, since it uses less digits than its factorization.

427393730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 427393730 is about 20673.5030897040. The cubic root of 427393730 is about 753.2562009332.

The spelling of 427393730 in words is "four hundred twenty-seven million, three hundred ninety-three thousand, seven hundred thirty".