61925688 has 128 divisors (see below), whose sum is σ = 190944000. Its totient is φ = 18437760.

The previous prime is 61925687. The next prime is 61925707. The reversal of 61925688 is 88652916.

61925688 is a `hidden beast` number, since 619 + 25 + 6 + 8 + 8 = 666.

61925688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61925687) 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 31 ways as a sum of consecutive naturals, for example, 158998 + ... + 159386.

It is an arithmetic number, because the mean of its divisors is an integer number (1491750).

Almost surely, 2^61925688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61925688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95472000).

61925688 is an abundant number, since it is smaller than the sum of its proper divisors (129018312).

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

61925688 is a wasteful number, since it uses less digits than its factorization.

61925688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 472 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 61925688 is about 7869.2876424744. The cubic root of 61925688 is about 395.6309693401.

The spelling of 61925688 in words is "sixty-one million, nine hundred twenty-five thousand, six hundred eighty-eight".