61615442 has 24 divisors (see below), whose sum is σ = 113174640. Its totient is φ = 25016040.

The previous prime is 61615439. The next prime is 61615451. The reversal of 61615442 is 24451616.

61615442 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 11 ways as a sum of consecutive naturals, for example, 14684 + ... + 18407.

It is an arithmetic number, because the mean of its divisors is an integer number (4715610).

Almost surely, 2^61615442 is an apocalyptic number.

61615442 is a deficient number, since it is larger than the sum of its proper divisors (51559198).

61615442 is a wasteful number, since it uses less digits than its factorization.

61615442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33126 (or 33119 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 61615442 is about 7849.5504329866. The cubic root of 61615442 is about 394.9691627905.

The spelling of 61615442 in words is "sixty-one million, six hundred fifteen thousand, four hundred forty-two".