712071089 has 4 divisors (see below), whose sum is σ = 712211700. Its totient is φ = 711930480.

The previous prime is 712071071. The next prime is 712071091. The reversal of 712071089 is 980170217.

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

It can be written as a sum of positive squares in 2 ways, for example, as 351375025 + 360696064 = 18745^2 + 18992^2 .

It is a cyclic number.

It is not a de Polignac number, because 712071089 - 2²⁴ = 695293873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712071389) 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, 62414 + ... + 72935.

It is an arithmetic number, because the mean of its divisors is an integer number (178052925).

Almost surely, 2^712071089 is an apocalyptic number.

It is an amenable number.

712071089 is a deficient number, since it is larger than the sum of its proper divisors (140611).

712071089 is a wasteful number, since it uses less digits than its factorization.

712071089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140610.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 712071089 is about 26684.6601814601. The cubic root of 712071089 is about 892.9787366919.

The spelling of 712071089 in words is "seven hundred twelve million, seventy-one thousand, eighty-nine".