507601728 has 168 divisors, whose sum is σ = 1526633472. Its totient is φ = 167215104.

The previous prime is 507601711. The next prime is 507601733. The reversal of 507601728 is 827106705.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 507601692 and 507601701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1974976 + ... + 1975232.

It is an arithmetic number, because the mean of its divisors is an integer number (9087104).

Almost surely, 2^507601728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 507601728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763316736).

507601728 is an abundant number, since it is smaller than the sum of its proper divisors (1019031744).

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

507601728 is a wasteful number, since it uses less digits than its factorization.

507601728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 507601728 is about 22530.0183754918. The cubic root of 507601728 is about 797.7026423332.

The spelling of 507601728 in words is "five hundred seven million, six hundred one thousand, seven hundred twenty-eight".