712739619840 has 352 divisors, whose sum is σ = 2360087110656. Its totient is φ = 183393976320.

The previous prime is 712739619799. The next prime is 712739619841. The reversal of 712739619840 is 48916937217.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (712739619841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177605674 + ... + 177609686.

It is an arithmetic number, because the mean of its divisors is an integer number (6704792928).

Almost surely, 2^712739619840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712739619840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180043555328).

712739619840 is an abundant number, since it is smaller than the sum of its proper divisors (1647347490816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712739619840 is a wasteful number, since it uses less digits than its factorization.

712739619840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 712739619840 in words is "seven hundred twelve billion, seven hundred thirty-nine million, six hundred nineteen thousand, eight hundred forty".