61543360 has 28 divisors (see below), whose sum is σ = 146550888. Its totient is φ = 24617216.

The previous prime is 61543333. The next prime is 61543367. The reversal of 61543360 is 6334516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61543367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95842 + ... + 96481.

Almost surely, 2^61543360 is an apocalyptic number.

It is an amenable number.

61543360 is an abundant number, since it is smaller than the sum of its proper divisors (85007528).

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

61543360 is a wasteful number, since it uses less digits than its factorization.

61543360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192340 (or 192330 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 61543360 is about 7844.9576162016. The cubic root of 61543360 is about 394.8150819540.

Adding to 61543360 its reverse (6334516), we get a palindrome (67877876).

The spelling of 61543360 in words is "sixty-one million, five hundred forty-three thousand, three hundred sixty".