61936685 has 8 divisors (see below), whose sum is σ = 74740320. Its totient is φ = 49271824.

The previous prime is 61936673. The next prime is 61936687. The reversal of 61936685 is 58663916.

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 61936685 - 2⁶ = 61936621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61936687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33707 + ... + 35496.

It is an arithmetic number, because the mean of its divisors is an integer number (9342540).

Almost surely, 2^61936685 is an apocalyptic number.

It is an amenable number.

61936685 is a deficient number, since it is larger than the sum of its proper divisors (12803635).

61936685 is a wasteful number, since it uses less digits than its factorization.

61936685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69387.

The product of its digits is 233280, while the sum is 44.

The square root of 61936685 is about 7869.9863405218. The cubic root of 61936685 is about 395.6543871731.

The spelling of 61936685 in words is "sixty-one million, nine hundred thirty-six thousand, six hundred eighty-five".