61329412 has 12 divisors (see below), whose sum is σ = 107867200. Its totient is φ = 30510216.

The previous prime is 61329409. The next prime is 61329413. The reversal of 61329412 is 21492316.

It is a super-2 number, since 2×61329412² = 7522593552531488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61329413) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37728 + ... + 39319.

Almost surely, 2^61329412 is an apocalyptic number.

It is an amenable number.

61329412 is a deficient number, since it is larger than the sum of its proper divisors (46537788).

61329412 is a wasteful number, since it uses less digits than its factorization.

61329412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77250 (or 77248 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 61329412 is about 7831.3097244331. The cubic root of 61329412 is about 394.3570419112.

The spelling of 61329412 in words is "sixty-one million, three hundred twenty-nine thousand, four hundred twelve".