712766540 has 12 divisors (see below), whose sum is σ = 1496809776. Its totient is φ = 285106608.

The previous prime is 712766507. The next prime is 712766543. The reversal of 712766540 is 45667217.

It is a super-3 number, since 3×712766540³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 712766494 and 712766503.

It is not an unprimeable number, because it can be changed into a prime (712766543) 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 3 ways as a sum of consecutive naturals, for example, 17819144 + ... + 17819183.

It is an arithmetic number, because the mean of its divisors is an integer number (124734148).

Almost surely, 2^712766540 is an apocalyptic number.

It is an amenable number.

712766540 is an abundant number, since it is smaller than the sum of its proper divisors (784043236).

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

712766540 is a wasteful number, since it uses less digits than its factorization.

712766540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638336 (or 35638334 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 712766540 is about 26697.6879148738. The cubic root of 712766540 is about 893.2693541591.

The spelling of 712766540 in words is "seven hundred twelve million, seven hundred sixty-six thousand, five hundred forty".