60561378 has 64 divisors (see below), whose sum is σ = 146430720. Its totient is φ = 18475776.

The previous prime is 60561373. The next prime is 60561409. The reversal of 60561378 is 87316506.

60561378 is a `hidden beast` number, since 60 + 561 + 37 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (60561373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33075 + ... + 34857.

It is an arithmetic number, because the mean of its divisors is an integer number (2287980).

Almost surely, 2^60561378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60561378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73215360).

60561378 is an abundant number, since it is smaller than the sum of its proper divisors (85869342).

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

60561378 is a wasteful number, since it uses less digits than its factorization.

60561378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 60561378 is about 7782.1191201369. The cubic root of 60561378 is about 392.7039317813.

The spelling of 60561378 in words is "sixty million, five hundred sixty-one thousand, three hundred seventy-eight".