61922560 has 72 divisors (see below), whose sum is σ = 169537536. Its totient is φ = 21227520.

The previous prime is 61922557. The next prime is 61922591. The reversal of 61922560 is 6522916.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5505 + ... + 12415.

It is an arithmetic number, because the mean of its divisors is an integer number (2354688).

Almost surely, 2^61922560 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 61922560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84768768).

61922560 is an abundant number, since it is smaller than the sum of its proper divisors (107614976).

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

61922560 is an equidigital number, since it uses as much as digits as its factorization.

61922560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939 (or 6925 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 61922560 is about 7869.0888926228. The cubic root of 61922560 is about 395.6243078369.

The spelling of 61922560 in words is "sixty-one million, nine hundred twenty-two thousand, five hundred sixty".