61361424 has 120 divisors (see below), whose sum is σ = 181988352. Its totient is φ = 19261440.

The previous prime is 61361423. The next prime is 61361437. The reversal of 61361424 is 42416316.

61361424 is a `hidden beast` number, since 613 + 6 + 1 + 42 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (61361423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321169 + ... + 321359.

Almost surely, 2^61361424 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 61361424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90994176).

61361424 is an abundant number, since it is smaller than the sum of its proper divisors (120626928).

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

61361424 is a wasteful number, since it uses less digits than its factorization.

61361424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 316 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 61361424 is about 7833.3533049391. The cubic root of 61361424 is about 394.4256439157.

The spelling of 61361424 in words is "sixty-one million, three hundred sixty-one thousand, four hundred twenty-four".