61406684 has 24 divisors (see below), whose sum is σ = 110623968. Its totient is φ = 29807360.

The previous prime is 61406677. The next prime is 61406699. The reversal of 61406684 is 48660416.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37409 + ... + 39015.

It is an arithmetic number, because the mean of its divisors is an integer number (4609332).

Almost surely, 2^61406684 is an apocalyptic number.

It is an amenable number.

61406684 is a deficient number, since it is larger than the sum of its proper divisors (49217284).

61406684 is a wasteful number, since it uses less digits than its factorization.

61406684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 61406684 is about 7836.2417012239. The cubic root of 61406684 is about 394.5225958015.

The spelling of 61406684 in words is "sixty-one million, four hundred six thousand, six hundred eighty-four".