712066405 has 8 divisors (see below), whose sum is σ = 860717592. Its totient is φ = 565494528.

The previous prime is 712066391. The next prime is 712066441. The reversal of 712066405 is 504660217.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45239076 + 666827329 = 6726^2 + 25823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712066405 - 2¹¹ = 712064357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519072 + ... + 520441.

It is an arithmetic number, because the mean of its divisors is an integer number (107589699).

Almost surely, 2^712066405 is an apocalyptic number.

It is an amenable number.

712066405 is a deficient number, since it is larger than the sum of its proper divisors (148651187).

712066405 is a wasteful number, since it uses less digits than its factorization.

712066405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039655.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 712066405 is about 26684.5724155363. The cubic root of 712066405 is about 892.9767786845.

The spelling of 712066405 in words is "seven hundred twelve million, sixty-six thousand, four hundred five".