61343424 has 84 divisors (see below), whose sum is σ = 176921160. Its totient is φ = 20321280.

The previous prime is 61343423. The next prime is 61343431. The reversal of 61343424 is 42434316.

61343424 is a `hidden beast` number, since 613 + 4 + 3 + 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 (61343423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161667 + ... + 162045.

Almost surely, 2^61343424 is an apocalyptic number.

61343424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61343424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88460580).

61343424 is an abundant number, since it is smaller than the sum of its proper divisors (115577736).

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

61343424 is a wasteful number, since it uses less digits than its factorization.

61343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 665 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 61343424 is about 7832.2042874276. The cubic root of 61343424 is about 394.3870726905.

The spelling of 61343424 in words is "sixty-one million, three hundred forty-three thousand, four hundred twenty-four".