512717740 has 12 divisors (see below), whose sum is σ = 1076707296. Its totient is φ = 205087088.

The previous prime is 512717731. The next prime is 512717741. The reversal of 512717740 is 47717215.

It is a junction number, because it is equal to n+sod(n) for n = 512717696 and 512717705.

It is not an unprimeable number, because it can be changed into a prime (512717741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12817924 + ... + 12817963.

It is an arithmetic number, because the mean of its divisors is an integer number (89725608).

Almost surely, 2^512717740 is an apocalyptic number.

It is an amenable number.

512717740 is an abundant number, since it is smaller than the sum of its proper divisors (563989556).

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

512717740 is a wasteful number, since it uses less digits than its factorization.

512717740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25635896 (or 25635894 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 512717740 is about 22643.2714067557. The cubic root of 512717740 is about 800.3736483731.

The spelling of 512717740 in words is "five hundred twelve million, seven hundred seventeen thousand, seven hundred forty".