61366642 has 8 divisors (see below), whose sum is σ = 92264832. Its totient is φ = 30611700.

The previous prime is 61366601. The next prime is 61366661. The reversal of 61366642 is 24666316.

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

It is a junction number, because it is equal to n+sod(n) for n = 61366598 and 61366607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34734 + ... + 36457.

It is an arithmetic number, because the mean of its divisors is an integer number (11533104).

Almost surely, 2^61366642 is an apocalyptic number.

61366642 is a deficient number, since it is larger than the sum of its proper divisors (30898190).

61366642 is a wasteful number, since it uses less digits than its factorization.

61366642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71624.

The product of its digits is 31104, while the sum is 34.

The square root of 61366642 is about 7833.6863608393. The cubic root of 61366642 is about 394.4368238751.

The spelling of 61366642 in words is "sixty-one million, three hundred sixty-six thousand, six hundred forty-two".