61268680 has 64 divisors (see below), whose sum is σ = 159252480. Its totient is φ = 20966400.

The previous prime is 61268671. The next prime is 61268693. The reversal of 61268680 is 8686216.

61268680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61268680² = 7507702297884800, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3385 + ... + 11575.

It is an arithmetic number, because the mean of its divisors is an integer number (2488320).

Almost surely, 2^61268680 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 61268680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79626240).

61268680 is an abundant number, since it is smaller than the sum of its proper divisors (97983800).

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

61268680 is a wasteful number, since it uses less digits than its factorization.

61268680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230 (or 8226 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 61268680 is about 7827.4312516943. The cubic root of 61268680 is about 394.2268270543.

The spelling of 61268680 in words is "sixty-one million, two hundred sixty-eight thousand, six hundred eighty".