61896242 has 8 divisors (see below), whose sum is σ = 92991132. Its totient is φ = 30899200.

The previous prime is 61896229. The next prime is 61896253. The reversal of 61896242 is 24269816.

61896242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59459521 + 2436721 = 7711^2 + 1561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61896242² = 7662289547445128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61896196 and 61896205.

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 3 ways as a sum of consecutive naturals, for example, 22859 + ... + 25422.

Almost surely, 2^61896242 is an apocalyptic number.

61896242 is a deficient number, since it is larger than the sum of its proper divisors (31094890).

61896242 is a wasteful number, since it uses less digits than its factorization.

61896242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48924.

The product of its digits is 41472, while the sum is 38.

The square root of 61896242 is about 7867.4164755655. The cubic root of 61896242 is about 395.5682511753.

The spelling of 61896242 in words is "sixty-one million, eight hundred ninety-six thousand, two hundred forty-two".