712445447 has 24 divisors (see below), whose sum is σ = 867355776. Its totient is φ = 582389808.

The previous prime is 712445443. The next prime is 712445467. The reversal of 712445447 is 744544217.

It is a happy number.

712445447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 712445447 - 2² = 712445443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712445447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712445443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498548 + ... + 499974.

It is an arithmetic number, because the mean of its divisors is an integer number (36139824).

Almost surely, 2^712445447 is an apocalyptic number.

712445447 is a deficient number, since it is larger than the sum of its proper divisors (154910329).

712445447 is a wasteful number, since it uses less digits than its factorization.

712445447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1900 counting only the distinct ones).

The product of its digits is 125440, while the sum is 38.

The square root of 712445447 is about 26691.6737392019. The cubic root of 712445447 is about 893.1351982088.

The spelling of 712445447 in words is "seven hundred twelve million, four hundred forty-five thousand, four hundred forty-seven".