712233644 has 6 divisors (see below), whose sum is σ = 1246408884. Its totient is φ = 356116820.

The previous prime is 712233631. The next prime is 712233647. The reversal of 712233644 is 446332217.

It is a self number, because there is not a number n which added to its sum of digits gives 712233644.

It is not an unprimeable number, because it can be changed into a prime (712233647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89029202 + ... + 89029209.

It is an arithmetic number, because the mean of its divisors is an integer number (207734814).

Almost surely, 2^712233644 is an apocalyptic number.

It is an amenable number.

712233644 is a deficient number, since it is larger than the sum of its proper divisors (534175240).

712233644 is a wasteful number, since it uses less digits than its factorization.

712233644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178058415 (or 178058413 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 712233644 is about 26687.7058586908. The cubic root of 712233644 is about 893.0466826767.

The spelling of 712233644 in words is "seven hundred twelve million, two hundred thirty-three thousand, six hundred forty-four".