552070728 has 144 divisors (see below), whose sum is σ = 1705070640. Its totient is φ = 167222880.

The previous prime is 552070693. The next prime is 552070741. The reversal of 552070728 is 827070255.

552070728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 552070692 and 552070701.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 234051 + ... + 236397.

Almost surely, 2^552070728 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 552070728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852535320).

552070728 is an abundant number, since it is smaller than the sum of its proper divisors (1152999912).

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

552070728 is a wasteful number, since it uses less digits than its factorization.

552070728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 552070728 is about 23496.1853925270. The cubic root of 552070728 is about 820.3482201393.

The spelling of 552070728 in words is "five hundred fifty-two million, seventy thousand, seven hundred twenty-eight".