5661270 has 24 divisors (see below), whose sum is σ = 14719536. Its totient is φ = 1509648.

The previous prime is 5661247. The next prime is 5661277. The reversal of 5661270 is 721665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661277) 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 11 ways as a sum of consecutive naturals, for example, 31362 + ... + 31541.

It is an arithmetic number, because the mean of its divisors is an integer number (613314).

Almost surely, 2^5661270 is an apocalyptic number.

5661270 is an abundant number, since it is smaller than the sum of its proper divisors (9058266).

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

5661270 is a wasteful number, since it uses less digits than its factorization.

5661270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62916 (or 62913 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5661270 is about 2379.3423461116. The cubic root of 5661270 is about 178.2260940449.

The spelling of 5661270 in words is "five million, six hundred sixty-one thousand, two hundred seventy".