61833994 has 4 divisors (see below), whose sum is σ = 92750994. Its totient is φ = 30916996.

The previous prime is 61833983. The next prime is 61834009. The reversal of 61833994 is 49933816.

61833994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61826769 + 7225 = 7863^2 + 85^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61833994.

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 as a sum of consecutive naturals, namely, 15458497 + ... + 15458500.

Almost surely, 2^61833994 is an apocalyptic number.

61833994 is a deficient number, since it is larger than the sum of its proper divisors (30917000).

61833994 is a wasteful number, since it uses less digits than its factorization.

61833994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30916999.

The product of its digits is 139968, while the sum is 43.

The square root of 61833994 is about 7863.4594168216. The cubic root of 61833994 is about 395.4356012720.

The spelling of 61833994 in words is "sixty-one million, eight hundred thirty-three thousand, nine hundred ninety-four".