61427936 has 24 divisors (see below), whose sum is σ = 128051280. Its totient is φ = 28907008.

The previous prime is 61427921. The next prime is 61427959. The reversal of 61427936 is 63972416.

It is a self number, because there is not a number n which added to its sum of digits gives 61427936.

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, 55916 + ... + 57003.

It is an arithmetic number, because the mean of its divisors is an integer number (5335470).

Almost surely, 2^61427936 is an apocalyptic number.

It is an amenable number.

61427936 is an abundant number, since it is smaller than the sum of its proper divisors (66623344).

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

61427936 is a wasteful number, since it uses less digits than its factorization.

61427936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112946 (or 112938 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 61427936 is about 7837.5975910989. The cubic root of 61427936 is about 394.5681034814.

The spelling of 61427936 in words is "sixty-one million, four hundred twenty-seven thousand, nine hundred thirty-six".