61994 has 8 divisors (see below), whose sum is σ = 94080. Its totient is φ = 30636.

The previous prime is 61991. The next prime is 62003. The reversal of 61994 is 49916.

61994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a plaindrome in base 13 and base 15.

It is a zygodrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61994.

It is not an unprimeable number, because it can be changed into a prime (61991) 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, 167 + ... + 389.

It is an arithmetic number, because the mean of its divisors is an integer number (11760).

2⁶¹⁹⁹⁴ is an apocalyptic number.

61994 is a deficient number, since it is larger than the sum of its proper divisors (32086).

61994 is a wasteful number, since it uses less digits than its factorization.

61994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 1944, while the sum is 29.

The square root of 61994 is about 248.9859433783. The cubic root of 61994 is about 39.5776393164.

The spelling of 61994 in words is "sixty-one thousand, nine hundred ninety-four".