712447347 has 16 divisors (see below), whose sum is σ = 956482560. Its totient is φ = 471700800.

The previous prime is 712447343. The next prime is 712447357. The reversal of 712447347 is 743744217.

It is not a de Polignac number, because 712447347 - 2² = 712447343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (712447343) 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 15 ways as a sum of consecutive naturals, for example, 290647 + ... + 293087.

It is an arithmetic number, because the mean of its divisors is an integer number (59780160).

Almost surely, 2^712447347 is an apocalyptic number.

712447347 is a deficient number, since it is larger than the sum of its proper divisors (244035213).

712447347 is a wasteful number, since it uses less digits than its factorization.

712447347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074.

The product of its digits is 131712, while the sum is 39.

The square root of 712447347 is about 26691.7093308016. The cubic root of 712447347 is about 893.1359921669.

The spelling of 712447347 in words is "seven hundred twelve million, four hundred forty-seven thousand, three hundred forty-seven".