61427768 has 16 divisors (see below), whose sum is σ = 115479000. Its totient is φ = 30633376.

The previous prime is 61427759. The next prime is 61427801. The reversal of 61427768 is 86772416.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6758 + ... + 12981.

Almost surely, 2^61427768 is an apocalyptic number.

It is an amenable number.

61427768 is a deficient number, since it is larger than the sum of its proper divisors (54051232).

61427768 is a wasteful number, since it uses less digits than its factorization.

61427768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134 (or 20130 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 61427768 is about 7837.5868735217. The cubic root of 61427768 is about 394.5677437781.

It can be divided in two parts, 614 and 27768, that added together give a palindrome (28382).

The spelling of 61427768 in words is "sixty-one million, four hundred twenty-seven thousand, seven hundred sixty-eight".