512732738 has 16 divisors (see below), whose sum is σ = 888848640. Its totient is φ = 217273056.

The previous prime is 512732711. The next prime is 512732747. The reversal of 512732738 is 837237215.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204506 + ... + 206997.

It is an arithmetic number, because the mean of its divisors is an integer number (55553040).

Almost surely, 2^512732738 is an apocalyptic number.

512732738 is a deficient number, since it is larger than the sum of its proper divisors (376115902).

512732738 is a wasteful number, since it uses less digits than its factorization.

512732738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411601.

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

The square root of 512732738 is about 22643.6025843946. The cubic root of 512732738 is about 800.3814524636.

The spelling of 512732738 in words is "five hundred twelve million, seven hundred thirty-two thousand, seven hundred thirty-eight".