61797685 has 8 divisors (see below), whose sum is σ = 74244096. Its totient is φ = 49380240.

The previous prime is 61797683. The next prime is 61797689. The reversal of 61797685 is 58679716.

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

It is not a de Polignac number, because 61797685 - 2¹ = 61797683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61797683) 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 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 11338.

It is an arithmetic number, because the mean of its divisors is an integer number (9280512).

Almost surely, 2^61797685 is an apocalyptic number.

It is an amenable number.

61797685 is a deficient number, since it is larger than the sum of its proper divisors (12446411).

61797685 is a wasteful number, since it uses less digits than its factorization.

61797685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14483.

The product of its digits is 635040, while the sum is 49.

The square root of 61797685 is about 7861.1503611113. The cubic root of 61797685 is about 395.3581860211.

The spelling of 61797685 in words is "sixty-one million, seven hundred ninety-seven thousand, six hundred eighty-five".