61820695 has 8 divisors (see below), whose sum is σ = 74239344. Its totient is φ = 49420224.

The previous prime is 61820683. The next prime is 61820701. The reversal of 61820695 is 59602816.

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 61820695 - 2⁷ = 61820567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4627 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (9279918).

Almost surely, 2^61820695 is an apocalyptic number.

61820695 is a deficient number, since it is larger than the sum of its proper divisors (12418649).

61820695 is a wasteful number, since it uses less digits than its factorization.

61820695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 61820695 is about 7862.6137511644. The cubic root of 61820695 is about 395.4072496875.

The spelling of 61820695 in words is "sixty-one million, eight hundred twenty thousand, six hundred ninety-five".