712245240 has 192 divisors, whose sum is σ = 2670782400. Its totient is φ = 161243136.

The previous prime is 712245239. The next prime is 712245241. The reversal of 712245240 is 42542217.

It is an interprime number because it is at equal distance from previous prime (712245239) and next prime (712245241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712245241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273384 + ... + 275976.

It is an arithmetic number, because the mean of its divisors is an integer number (13910325).

Almost surely, 2^712245240 is an apocalyptic number.

712245240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712245240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335391200).

712245240 is an abundant number, since it is smaller than the sum of its proper divisors (1958537160).

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

712245240 is a wasteful number, since it uses less digits than its factorization.

712245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 712245240 is about 26687.9231114000. The cubic root of 712245240 is about 893.0515292666.

Adding to 712245240 its reverse (42542217), we get a palindrome (754787457).

The spelling of 712245240 in words is "seven hundred twelve million, two hundred forty-five thousand, two hundred forty".