61740227 has 4 divisors (see below), whose sum is σ = 61986456. Its totient is φ = 61494000.

The previous prime is 61740223. The next prime is 61740229. The reversal of 61740227 is 72204716.

61740227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61740227 - 2² = 61740223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61740227.

It is not an unprimeable number, because it can be changed into a prime (61740221) 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 3 ways as a sum of consecutive naturals, for example, 122738 + ... + 123239.

It is an arithmetic number, because the mean of its divisors is an integer number (15496614).

Almost surely, 2^61740227 is an apocalyptic number.

61740227 is a deficient number, since it is larger than the sum of its proper divisors (246229).

61740227 is a wasteful number, since it uses less digits than its factorization.

61740227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246228.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 61740227 is about 7857.4949570458. The cubic root of 61740227 is about 395.2356165176.

The spelling of 61740227 in words is "sixty-one million, seven hundred forty thousand, two hundred twenty-seven".