61761006 has 48 divisors (see below), whose sum is σ = 139754160. Its totient is φ = 19693440.

The previous prime is 61760977. The next prime is 61761013. The reversal of 61761006 is 60016716.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 38325 + ... + 39903.

It is an arithmetic number, because the mean of its divisors is an integer number (2911545).

Almost surely, 2^61761006 is an apocalyptic number.

61761006 is an abundant number, since it is smaller than the sum of its proper divisors (77993154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61761006 is a wasteful number, since it uses less digits than its factorization.

61761006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 61761006 is about 7858.8170865595. The cubic root of 61761006 is about 395.2799510901.

The spelling of 61761006 in words is "sixty-one million, seven hundred sixty-one thousand, six".