712682649 has 24 divisors (see below), whose sum is σ = 1177924800. Its totient is φ = 406751328.

The previous prime is 712682603. The next prime is 712682651. The reversal of 712682649 is 946286217.

It is a happy number.

It is not a de Polignac number, because 712682649 - 2¹² = 712678553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (712682699) 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, 48802 + ... + 61700.

It is an arithmetic number, because the mean of its divisors is an integer number (49080200).

Almost surely, 2^712682649 is an apocalyptic number.

It is an amenable number.

712682649 is a deficient number, since it is larger than the sum of its proper divisors (465242151).

712682649 is a wasteful number, since it uses less digits than its factorization.

712682649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789 (or 13786 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 712682649 is about 26696.1167400804. The cubic root of 712682649 is about 893.2343075273.

The spelling of 712682649 in words is "seven hundred twelve million, six hundred eighty-two thousand, six hundred forty-nine".