61768752 has 80 divisors (see below), whose sum is σ = 171953280. Its totient is φ = 19035136.

The previous prime is 61768741. The next prime is 61768781. The reversal of 61768752 is 25786716.

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 15 ways as a sum of consecutive naturals, for example, 47503 + ... + 48785.

It is an arithmetic number, because the mean of its divisors is an integer number (2149416).

Almost surely, 2^61768752 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 61768752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85976640).

61768752 is an abundant number, since it is smaller than the sum of its proper divisors (110184528).

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

61768752 is a wasteful number, since it uses less digits than its factorization.

61768752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1364 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 61768752 is about 7859.3098933685. The cubic root of 61768752 is about 395.2964755970.

The spelling of 61768752 in words is "sixty-one million, seven hundred sixty-eight thousand, seven hundred fifty-two".