61300880 has 20 divisors (see below), whose sum is σ = 142524732. Its totient is φ = 24520320.

The previous prime is 61300879. The next prime is 61300891. The reversal of 61300880 is 8800316.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 50751376 = 3248^2 + 7124^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383051 + ... + 383210.

Almost surely, 2^61300880 is an apocalyptic number.

It is an amenable number.

61300880 is an abundant number, since it is smaller than the sum of its proper divisors (81223852).

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

61300880 is a wasteful number, since it uses less digits than its factorization.

61300880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766274 (or 766268 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 61300880 is about 7829.4878504280. The cubic root of 61300880 is about 394.2958774548.

The spelling of 61300880 in words is "sixty-one million, three hundred thousand, eight hundred eighty".