6156730 has 16 divisors (see below), whose sum is σ = 11264904. Its totient is φ = 2422080.

The previous prime is 6156721. The next prime is 6156739. The reversal of 6156730 is 376516.

It is an interprime number because it is at equal distance from previous prime (6156721) and next prime (6156739).

It can be written as a sum of positive squares in 4 ways, for example, as 3229209 + 2927521 = 1797^2 + 1711^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6156739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4437 + ... + 5656.

Almost surely, 2^6156730 is an apocalyptic number.

6156730 is a deficient number, since it is larger than the sum of its proper divisors (5108174).

6156730 is a wasteful number, since it uses less digits than its factorization.

6156730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 6156730 is about 2481.2758814771. The cubic root of 6156730 is about 183.2806864442.

It can be divided in two parts, 6156 and 730, that added together give a palindrome (6886).

The spelling of 6156730 in words is "six million, one hundred fifty-six thousand, seven hundred thirty".