61994682 has 48 divisors (see below), whose sum is σ = 149722560. Its totient is φ = 18423936.

The previous prime is 61994677. The next prime is 61994687. The reversal of 61994682 is 28649916.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61994677) and next prime (61994687).

It is a super-2 number, since 2×61994682² = 7686681192562248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61994687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483 + ... + 11145.

It is an arithmetic number, because the mean of its divisors is an integer number (3119220).

Almost surely, 2^61994682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61994682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74861280).

61994682 is an abundant number, since it is smaller than the sum of its proper divisors (87727878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61994682 is a wasteful number, since it uses less digits than its factorization.

61994682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10707 (or 10704 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 61994682 is about 7873.6701734325. The cubic root of 61994682 is about 395.7778444791. Note that the first 3 decimals are identical.

The spelling of 61994682 in words is "sixty-one million, nine hundred ninety-four thousand, six hundred eighty-two".