61461642 has 16 divisors (see below), whose sum is σ = 134098272. Its totient is φ = 18624720.

The previous prime is 61461607. The next prime is 61461661. The reversal of 61461642 is 24616416.

61461642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465553 + ... + 465684.

It is an arithmetic number, because the mean of its divisors is an integer number (8381142).

Almost surely, 2^61461642 is an apocalyptic number.

61461642 is an abundant number, since it is smaller than the sum of its proper divisors (72636630).

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

61461642 is a wasteful number, since it uses less digits than its factorization.

61461642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931253.

The product of its digits is 6912, while the sum is 30.

The square root of 61461642 is about 7839.7475724669. The cubic root of 61461642 is about 394.6402578443.

The spelling of 61461642 in words is "sixty-one million, four hundred sixty-one thousand, six hundred forty-two".