712603540 has 24 divisors (see below), whose sum is σ = 1632510432. Its totient is φ = 259128480.

The previous prime is 712603517. The next prime is 712603547. The reversal of 712603540 is 45306217.

It is a junction number, because it is equal to n+sod(n) for n = 712603499 and 712603508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712603547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619334 + ... + 1619773.

It is an arithmetic number, because the mean of its divisors is an integer number (68021268).

Almost surely, 2^712603540 is an apocalyptic number.

It is an amenable number.

712603540 is an abundant number, since it is smaller than the sum of its proper divisors (919906892).

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

712603540 is a wasteful number, since it uses less digits than its factorization.

712603540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239127 (or 3239125 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 712603540 is about 26694.6350415210. The cubic root of 712603540 is about 893.2012561228.

Adding to 712603540 its reverse (45306217), we get a palindrome (757909757).

The spelling of 712603540 in words is "seven hundred twelve million, six hundred three thousand, five hundred forty".