61972442 has 16 divisors (see below), whose sum is σ = 110858112. Its totient is φ = 25404720.

The previous prime is 61972439. The next prime is 61972459. The reversal of 61972442 is 24427916.

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, 95909 + ... + 96552.

It is an arithmetic number, because the mean of its divisors is an integer number (6928632).

Almost surely, 2^61972442 is an apocalyptic number.

61972442 is a deficient number, since it is larger than the sum of its proper divisors (48885670).

61972442 is a wasteful number, since it uses less digits than its factorization.

61972442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192493.

The product of its digits is 24192, while the sum is 35.

The square root of 61972442 is about 7872.2577447642. The cubic root of 61972442 is about 395.7305116448.

The spelling of 61972442 in words is "sixty-one million, nine hundred seventy-two thousand, four hundred forty-two".