61343360 has 128 divisors (see below), whose sum is σ = 161678160. Its totient is φ = 22118400.

The previous prime is 61343357. The next prime is 61343371. The reversal of 61343360 is 6334316.

It can be written as a sum of positive squares in 8 ways, for example, as 34386496 + 26956864 = 5864^2 + 5192^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607310 + ... + 607410.

Almost surely, 2^61343360 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 61343360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80839080).

61343360 is an abundant number, since it is smaller than the sum of its proper divisors (100334800).

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

61343360 is a wasteful number, since it uses less digits than its factorization.

61343360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 61343360 is about 7832.2002017313. The cubic root of 61343360 is about 394.3869355349.

Adding to 61343360 its reverse (6334316), we get a palindrome (67677676).

The spelling of 61343360 in words is "sixty-one million, three hundred forty-three thousand, three hundred sixty".