61793244 has 72 divisors (see below), whose sum is σ = 167228880. Its totient is φ = 19180800.

The previous prime is 61793243. The next prime is 61793269. The reversal of 61793244 is 44239716.

61793244 is a `hidden beast` number, since 617 + 9 + 32 + 4 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61793199 and 61793208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61793243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40984 + ... + 42464.

Almost surely, 2^61793244 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 61793244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83614440).

61793244 is an abundant number, since it is smaller than the sum of its proper divisors (105435636).

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

61793244 is a wasteful number, since it uses less digits than its factorization.

61793244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1566 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 61793244 is about 7860.8678910156. The cubic root of 61793244 is about 395.3487151822.

The spelling of 61793244 in words is "sixty-one million, seven hundred ninety-three thousand, two hundred forty-four".