61872360 has 128 divisors (see below), whose sum is σ = 213235200. Its totient is φ = 14204160.

The previous prime is 61872353. The next prime is 61872407. The reversal of 61872360 is 6327816.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 23847 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (1665900).

Almost surely, 2^61872360 is an apocalyptic number.

61872360 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 61872360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106617600).

61872360 is an abundant number, since it is smaller than the sum of its proper divisors (151362840).

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

61872360 is a wasteful number, since it uses less digits than its factorization.

61872360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61872360 is about 7865.8985500704. The cubic root of 61872360 is about 395.5173693773.

The spelling of 61872360 in words is "sixty-one million, eight hundred seventy-two thousand, three hundred sixty".