61941320 has 32 divisors (see below), whose sum is σ = 159278400. Its totient is φ = 21236928.

The previous prime is 61941307. The next prime is 61941359. The reversal of 61941320 is 2314916.

It is a self number, because there is not a number n which added to its sum of digits gives 61941320.

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 7 ways as a sum of consecutive naturals, for example, 110330 + ... + 110889.

It is an arithmetic number, because the mean of its divisors is an integer number (4977450).

Almost surely, 2^61941320 is an apocalyptic number.

It is an amenable number.

61941320 is an abundant number, since it is smaller than the sum of its proper divisors (97337080).

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

61941320 is a wasteful number, since it uses less digits than its factorization.

61941320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221237 (or 221233 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 61941320 is about 7870.2808082050. The cubic root of 61941320 is about 395.6642564578.

The spelling of 61941320 in words is "sixty-one million, nine hundred forty-one thousand, three hundred twenty".