61352224 has 48 divisors (see below), whose sum is σ = 130152960. Its totient is φ = 28385280.

The previous prime is 61352219. The next prime is 61352227. The reversal of 61352224 is 42225316.

It is not an unprimeable number, because it can be changed into a prime (61352227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21472 + ... + 24160.

It is an arithmetic number, because the mean of its divisors is an integer number (2711520).

Almost surely, 2^61352224 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 61352224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65076480).

61352224 is an abundant number, since it is smaller than the sum of its proper divisors (68800736).

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

61352224 is a wasteful number, since it uses less digits than its factorization.

61352224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2745 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 61352224 is about 7832.7660503809. The cubic root of 61352224 is about 394.4059306765.

The spelling of 61352224 in words is "sixty-one million, three hundred fifty-two thousand, two hundred twenty-four".