61284608 has 72 divisors (see below), whose sum is σ = 152564160. Its totient is φ = 23869440.

The previous prime is 61284607. The next prime is 61284611. The reversal of 61284608 is 80648216.

It is not an unprimeable number, because it can be changed into a prime (61284607) 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, 18158 + ... + 21266.

Almost surely, 2^61284608 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 61284608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76282080).

61284608 is an abundant number, since it is smaller than the sum of its proper divisors (91279552).

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

61284608 is a wasteful number, since it uses less digits than its factorization.

61284608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 61284608 is about 7828.4486330307. The cubic root of 61284608 is about 394.2609864369.

The spelling of 61284608 in words is "sixty-one million, two hundred eighty-four thousand, six hundred eight".