712212645 has 8 divisors (see below), whose sum is σ = 1139540256. Its totient is φ = 379846736.

The previous prime is 712212643. The next prime is 712212673. The reversal of 712212645 is 546212217.

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 712212645 - 2¹ = 712212643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712212643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23740407 + ... + 23740436.

It is an arithmetic number, because the mean of its divisors is an integer number (142442532).

Almost surely, 2^712212645 is an apocalyptic number.

It is an amenable number.

712212645 is a deficient number, since it is larger than the sum of its proper divisors (427327611).

712212645 is a wasteful number, since it uses less digits than its factorization.

712212645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47480851.

The product of its digits is 6720, while the sum is 30.

The square root of 712212645 is about 26687.3124349381. The cubic root of 712212645 is about 893.0379059353.

The spelling of 712212645 in words is "seven hundred twelve million, two hundred twelve thousand, six hundred forty-five".