61343412 has 48 divisors (see below), whose sum is σ = 163219392. Its totient is φ = 17763840.

The previous prime is 61343393. The next prime is 61343423. The reversal of 61343412 is 21434316.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8914 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (3400404).

Almost surely, 2^61343412 is an apocalyptic number.

It is an amenable number.

61343412 is an abundant number, since it is smaller than the sum of its proper divisors (101875980).

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

61343412 is a wasteful number, since it uses less digits than its factorization.

61343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23168 (or 23166 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 61343412 is about 7832.2035213597. The cubic root of 61343412 is about 394.3870469738.

Adding to 61343412 its reverse (21434316), we get a palindrome (82777728).

The spelling of 61343412 in words is "sixty-one million, three hundred forty-three thousand, four hundred twelve".