426728012 has 6 divisors (see below), whose sum is σ = 746774028. Its totient is φ = 213364004.

The previous prime is 426728009. The next prime is 426728023. The reversal of 426728012 is 210827624.

It is a self number, because there is not a number n which added to its sum of digits gives 426728012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53340998 + ... + 53341005.

It is an arithmetic number, because the mean of its divisors is an integer number (124462338).

Almost surely, 2^426728012 is an apocalyptic number.

It is an amenable number.

426728012 is a deficient number, since it is larger than the sum of its proper divisors (320046016).

426728012 is a wasteful number, since it uses less digits than its factorization.

426728012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106682007 (or 106682005 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 426728012 is about 20657.3960604913. The cubic root of 426728012 is about 752.8649014813.

The spelling of 426728012 in words is "four hundred twenty-six million, seven hundred twenty-eight thousand, twelve".