6128730 has 32 divisors (see below), whose sum is σ = 16344000. Its totient is φ = 1634256.

The previous prime is 6128729. The next prime is 6128737. The reversal of 6128730 is 378216.

It is a super-2 number, since 2×6128730² = 75122662825800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 6128694 and 6128703.

It is not an unprimeable number, because it can be changed into a prime (6128737) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11080 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (510750).

Almost surely, 2^6128730 is an apocalyptic number.

6128730 is an abundant number, since it is smaller than the sum of its proper divisors (10215270).

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

6128730 is a wasteful number, since it uses less digits than its factorization.

6128730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22715 (or 22709 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 6128730 is about 2475.6271932583. The cubic root of 6128730 is about 183.0024186727.

The spelling of 6128730 in words is "six million, one hundred twenty-eight thousand, seven hundred thirty".