61264800 has 216 divisors, whose sum is σ = 220985856. Its totient is φ = 15966720.

The previous prime is 61264793. The next prime is 61264807. The reversal of 61264800 is 846216.

61264800 is a `hidden beast` number, since 6 + 12 + 648 + 0 + 0 = 666.

61264800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61264793) and next prime (61264807).

It is not an unprimeable number, because it can be changed into a prime (61264807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 482337 + ... + 482463.

Almost surely, 2^61264800 is an apocalyptic number.

61264800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61264800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110492928).

61264800 is an abundant number, since it is smaller than the sum of its proper divisors (159721056).

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

61264800 is a wasteful number, since it uses less digits than its factorization.

61264800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 61264800 is about 7827.1834014542. The cubic root of 61264800 is about 394.2185050624.

The spelling of 61264800 in words is "sixty-one million, two hundred sixty-four thousand, eight hundred".