61683044 has 12 divisors (see below), whose sum is σ = 113626800. Its totient is φ = 29218248.

The previous prime is 61683019. The next prime is 61683049. The reversal of 61683044 is 44038616.

It is a self number, because there is not a number n which added to its sum of digits gives 61683044.

It is not an unprimeable number, because it can be changed into a prime (61683049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405734 + ... + 405885.

It is an arithmetic number, because the mean of its divisors is an integer number (9468900).

Almost surely, 2^61683044 is an apocalyptic number.

It is an amenable number.

61683044 is a deficient number, since it is larger than the sum of its proper divisors (51943756).

61683044 is a wasteful number, since it uses less digits than its factorization.

61683044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811642 (or 811640 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 61683044 is about 7853.8553589941. The cubic root of 61683044 is about 395.1135581209.

The spelling of 61683044 in words is "sixty-one million, six hundred eighty-three thousand, forty-four".