61636676 has 6 divisors (see below), whose sum is σ = 107864190. Its totient is φ = 30818336.

The previous prime is 61636667. The next prime is 61636691. The reversal of 61636676 is 67663616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 952576 = 7790^2 + 976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7704581 + ... + 7704588.

It is an arithmetic number, because the mean of its divisors is an integer number (17977365).

Almost surely, 2^61636676 is an apocalyptic number.

It is an amenable number.

61636676 is a deficient number, since it is larger than the sum of its proper divisors (46227514).

61636676 is a wasteful number, since it uses less digits than its factorization.

61636676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15409173 (or 15409171 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 61636676 is about 7850.9028780135. The cubic root of 61636676 is about 395.0145291884.

The spelling of 61636676 in words is "sixty-one million, six hundred thirty-six thousand, six hundred seventy-six".