6138770 has 16 divisors (see below), whose sum is σ = 12054528. Its totient is φ = 2232240.

The previous prime is 6138739. The next prime is 6138779. The reversal of 6138770 is 778316.

6138770 = 45² + 46² + ... + 264².

It is a happy number.

It is a super-2 number, since 2×6138770² = 75368994225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6138779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27794 + ... + 28013.

It is an arithmetic number, because the mean of its divisors is an integer number (753408).

Almost surely, 2^6138770 is an apocalyptic number.

6138770 is a deficient number, since it is larger than the sum of its proper divisors (5915758).

6138770 is a wasteful number, since it uses less digits than its factorization.

6138770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55825.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 6138770 is about 2477.6541324406. The cubic root of 6138770 is about 183.1022948238.

The spelling of 6138770 in words is "six million, one hundred thirty-eight thousand, seven hundred seventy".