427706726 has 4 divisors (see below), whose sum is σ = 641560092. Its totient is φ = 213853362.

The previous prime is 427706707. The next prime is 427706731. The reversal of 427706726 is 627607724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106926680 + ... + 106926683.

It is an arithmetic number, because the mean of its divisors is an integer number (160390023).

Almost surely, 2^427706726 is an apocalyptic number.

427706726 is a deficient number, since it is larger than the sum of its proper divisors (213853366).

427706726 is a wasteful number, since it uses less digits than its factorization.

427706726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213853365.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 427706726 is about 20681.0716840303. The cubic root of 427706726 is about 753.4400350510.

The spelling of 427706726 in words is "four hundred twenty-seven million, seven hundred six thousand, seven hundred twenty-six".