426720716 has 12 divisors (see below), whose sum is σ = 749459088. Its totient is φ = 212589552.

The previous prime is 426720631. The next prime is 426720719. The reversal of 426720716 is 617027624.

It is not an unprimeable number, because it can be changed into a prime (426720719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191456 + ... + 193671.

It is an arithmetic number, because the mean of its divisors is an integer number (62454924).

Almost surely, 2^426720716 is an apocalyptic number.

It is an amenable number.

426720716 is a deficient number, since it is larger than the sum of its proper divisors (322738372).

426720716 is a wasteful number, since it uses less digits than its factorization.

426720716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385408 (or 385406 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 426720716 is about 20657.2194643907. The cubic root of 426720716 is about 752.8606107438.

The spelling of 426720716 in words is "four hundred twenty-six million, seven hundred twenty thousand, seven hundred sixteen".