61371752 has 64 divisors (see below), whose sum is σ = 130712400. Its totient is φ = 26818560.

The previous prime is 61371731. The next prime is 61371773. The reversal of 61371752 is 25717316.

61371752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61371731) and next prime (61371773).

It can be written as a sum of positive squares in 8 ways, for example, as 9156676 + 52215076 = 3026^2 + 7226^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 157574 + ... + 157962.

Almost surely, 2^61371752 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 61371752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65356200).

61371752 is an abundant number, since it is smaller than the sum of its proper divisors (69340648).

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

61371752 is a wasteful number, since it uses less digits than its factorization.

61371752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 482 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 61371752 is about 7834.0125095637. The cubic root of 61371752 is about 394.4477718220.

The spelling of 61371752 in words is "sixty-one million, three hundred seventy-one thousand, seven hundred fifty-two".