61868752 has 30 divisors (see below), whose sum is σ = 131762834. Its totient is φ = 28121280.

The previous prime is 61868749. The next prime is 61868759. The reversal of 61868752 is 25786816.

It can be written as a sum of positive squares in only one way, i.e., 58614336 + 3254416 = 7656^2 + 1804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61868699 and 61868708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61868759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14043 + ... + 17914.

Almost surely, 2^61868752 is an apocalyptic number.

It is an amenable number.

61868752 is an abundant number, since it is smaller than the sum of its proper divisors (69894082).

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

61868752 is a wasteful number, since it uses less digits than its factorization.

61868752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31987 (or 31970 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 61868752 is about 7865.6692022993. The cubic root of 61868752 is about 395.5096812141.

The spelling of 61868752 in words is "sixty-one million, eight hundred sixty-eight thousand, seven hundred fifty-two".