61270 has 16 divisors (see below), whose sum is σ = 120528. Its totient is φ = 22240.

The previous prime is 61261. The next prime is 61283. The reversal of 61270 is 7216.

61270 = T₁₀₀ + T₁₀₁ + ... + T₁₁₀.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

61270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 169 + ... + 388.

It is an arithmetic number, because the mean of its divisors is an integer number (7533).

2⁶¹²⁷⁰ is an apocalyptic number.

61270 is a deficient number, since it is larger than the sum of its proper divisors (59258).

61270 is a wasteful number, since it uses less digits than its factorization.

61270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 61270 is about 247.5277762192. The cubic root of 61270 is about 39.4229658167.

Adding to 61270 its reverse (7216), we get a palindrome (68486).

The spelling of 61270 in words is "sixty-one thousand, two hundred seventy".