712440071 has 24 divisors (see below), whose sum is σ = 853348320. Its totient is φ = 581962752.

The previous prime is 712440061. The next prime is 712440107. The reversal of 712440071 is 170044217.

It is not a de Polignac number, because 712440071 - 2²⁶ = 645331207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712440071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712440041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1909841 + ... + 1910213.

It is an arithmetic number, because the mean of its divisors is an integer number (35556180).

Almost surely, 2^712440071 is an apocalyptic number.

712440071 is a deficient number, since it is larger than the sum of its proper divisors (140908249).

712440071 is an equidigital number, since it uses as much as digits as its factorization.

712440071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 712440071 is about 26691.5730334501. The cubic root of 712440071 is about 893.1329517178.

Adding to 712440071 its reverse (170044217), we get a palindrome (882484288).

The spelling of 712440071 in words is "seven hundred twelve million, four hundred forty thousand, seventy-one".