61404227 has 8 divisors (see below), whose sum is σ = 65031936. Its totient is φ = 57856392.

The previous prime is 61404209. The next prime is 61404229. The reversal of 61404227 is 72240416.

61404227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61404227 - 2⁸ = 61403971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61404196 and 61404205.

It is not an unprimeable number, because it can be changed into a prime (61404229) 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, 18383 + ... + 21464.

It is an arithmetic number, because the mean of its divisors is an integer number (8128992).

Almost surely, 2^61404227 is an apocalyptic number.

61404227 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

61404227 is a deficient number, since it is larger than the sum of its proper divisors (3627709).

61404227 is a wasteful number, since it uses less digits than its factorization.

61404227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39937.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 61404227 is about 7836.0849280747. The cubic root of 61404227 is about 394.5173338611.

The spelling of 61404227 in words is "sixty-one million, four hundred four thousand, two hundred twenty-seven".