61727226 has 16 divisors (see below), whose sum is σ = 134677728. Its totient is φ = 18705200.

The previous prime is 61727129. The next prime is 61727227. The reversal of 61727226 is 62272716.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61727227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467565 + ... + 467696.

It is an arithmetic number, because the mean of its divisors is an integer number (8417358).

Almost surely, 2^61727226 is an apocalyptic number.

61727226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61727226 is an abundant number, since it is smaller than the sum of its proper divisors (72950502).

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

61727226 is a wasteful number, since it uses less digits than its factorization.

61727226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935277.

The product of its digits is 14112, while the sum is 33.

The square root of 61727226 is about 7856.6676141988. The cubic root of 61727226 is about 395.2078722131.

Subtracting 61727226 from its reverse (62272716), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 61727226 in words is "sixty-one million, seven hundred twenty-seven thousand, two hundred twenty-six".