512755672 has 64 divisors (see below), whose sum is σ = 1133344800. Its totient is φ = 214410240.

The previous prime is 512755669. The next prime is 512755739. The reversal of 512755672 is 276557215.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453604 + ... + 454732.

Almost surely, 2^512755672 is an apocalyptic number.

512755672 is a gapful number since it is divisible by the number (52) 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 512755672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566672400).

512755672 is an abundant number, since it is smaller than the sum of its proper divisors (620589128).

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

512755672 is a wasteful number, since it uses less digits than its factorization.

512755672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1552 counting only the distinct ones).

The product of its digits is 147000, while the sum is 40.

The square root of 512755672 is about 22644.1089910820. The cubic root of 512755672 is about 800.3933856946.

The spelling of 512755672 in words is "five hundred twelve million, seven hundred fifty-five thousand, six hundred seventy-two".