61882681 has 8 divisors (see below), whose sum is σ = 71922240. Its totient is φ = 52142928.

The previous prime is 61882651. The next prime is 61882687. The reversal of 61882681 is 18628816.

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

It is a cyclic number.

It is not a de Polignac number, because 61882681 - 2⁷ = 61882553 is a prime.

It is a super-2 number, since 2×61882681² = 7658932415495522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61882687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74506 + ... + 75331.

It is an arithmetic number, because the mean of its divisors is an integer number (8990280).

Almost surely, 2^61882681 is an apocalyptic number.

It is an amenable number.

61882681 is a deficient number, since it is larger than the sum of its proper divisors (10039559).

61882681 is a wasteful number, since it uses less digits than its factorization.

61882681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149903.

The product of its digits is 36864, while the sum is 40.

The square root of 61882681 is about 7866.5545825348. The cubic root of 61882681 is about 395.5393603914.

The spelling of 61882681 in words is "sixty-one million, eight hundred eighty-two thousand, six hundred eighty-one".