5146870728 has 64 divisors (see below), whose sum is σ = 13349376000. Its totient is φ = 1651890240.

The previous prime is 5146870693. The next prime is 5146870739. The reversal of 5146870728 is 8270786415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130675 + ... + 165437.

It is an arithmetic number, because the mean of its divisors is an integer number (208584000).

Almost surely, 2^5146870728 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 5146870728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6674688000).

5146870728 is an abundant number, since it is smaller than the sum of its proper divisors (8202505272).

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

5146870728 is a wasteful number, since it uses less digits than its factorization.

5146870728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35002 (or 34998 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 5146870728 is about 71741.6944879336. The cubic root of 5146870728 is about 1726.5576607807.

The spelling of 5146870728 in words is "five billion, one hundred forty-six million, eight hundred seventy thousand, seven hundred twenty-eight".