711521426 has 16 divisors (see below), whose sum is σ = 1330637760. Its totient is φ = 277216080.

The previous prime is 711521423. The next prime is 711521471. The reversal of 711521426 is 624125117.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (711521423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309981 + ... + 2310288.

It is an arithmetic number, because the mean of its divisors is an integer number (83164860).

Almost surely, 2^711521426 is an apocalyptic number.

711521426 is a deficient number, since it is larger than the sum of its proper divisors (619116334).

711521426 is a wasteful number, since it uses less digits than its factorization.

711521426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620289.

The product of its digits is 3360, while the sum is 29.

The square root of 711521426 is about 26674.3589613696. The cubic root of 711521426 is about 892.7489077095.

The spelling of 711521426 in words is "seven hundred eleven million, five hundred twenty-one thousand, four hundred twenty-six".