61996042 has 8 divisors (see below), whose sum is σ = 98464356. Its totient is φ = 29174592.

The previous prime is 61996027. The next prime is 61996043. The reversal of 61996042 is 24069916.

It can be written as a sum of positive squares in 2 ways, for example, as 61449921 + 546121 = 7839^2 + 739^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61995992 and 61996010.

It is not an unprimeable number, because it can be changed into a prime (61996043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911673 + ... + 911740.

Almost surely, 2^61996042 is an apocalyptic number.

61996042 is a deficient number, since it is larger than the sum of its proper divisors (36468314).

61996042 is a wasteful number, since it uses less digits than its factorization.

61996042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823432.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 61996042 is about 7873.7565367492. The cubic root of 61996042 is about 395.7807385657.

The spelling of 61996042 in words is "sixty-one million, nine hundred ninety-six thousand, forty-two".