61352880 has 40 divisors (see below), whose sum is σ = 190194672. Its totient is φ = 16360704.

The previous prime is 61352869. The next prime is 61352887. The reversal of 61352880 is 8825316.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (61352887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127579 + ... + 128058.

Almost surely, 2^61352880 is an apocalyptic number.

61352880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61352880 is an abundant number, since it is smaller than the sum of its proper divisors (128841792).

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

61352880 is a wasteful number, since it uses less digits than its factorization.

61352880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255653 (or 255647 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 61352880 is about 7832.8079256420. The cubic root of 61352880 is about 394.4073363814.

The spelling of 61352880 in words is "sixty-one million, three hundred fifty-two thousand, eight hundred eighty".