61366047 has 8 divisors (see below), whose sum is σ = 85378944. Its totient is φ = 39131928.

The previous prime is 61366043. The next prime is 61366049. The reversal of 61366047 is 74066316.

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

It is not a de Polignac number, because 61366047 - 2² = 61366043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61365999 and 61366017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61366043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444613 + ... + 444750.

It is an arithmetic number, because the mean of its divisors is an integer number (10672368).

Almost surely, 2^61366047 is an apocalyptic number.

61366047 is a deficient number, since it is larger than the sum of its proper divisors (24012897).

61366047 is a wasteful number, since it uses less digits than its factorization.

61366047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889389.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 61366047 is about 7833.6483837354. The cubic root of 61366047 is about 394.4355490746.

The spelling of 61366047 in words is "sixty-one million, three hundred sixty-six thousand, forty-seven".