61444194 has 16 divisors (see below), whose sum is σ = 140443968. Its totient is φ = 17555472.

The previous prime is 61444189. The next prime is 61444211. The reversal of 61444194 is 49144416.

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 7 ways as a sum of consecutive naturals, for example, 731437 + ... + 731520.

It is an arithmetic number, because the mean of its divisors is an integer number (8777748).

Almost surely, 2^61444194 is an apocalyptic number.

61444194 is an abundant number, since it is smaller than the sum of its proper divisors (78999774).

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

61444194 is a wasteful number, since it uses less digits than its factorization.

61444194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462969.

The product of its digits is 13824, while the sum is 33.

The square root of 61444194 is about 7838.6347025487. The cubic root of 61444194 is about 394.6029102419.

The spelling of 61444194 in words is "sixty-one million, four hundred forty-four thousand, one hundred ninety-four".