61966700 has 36 divisors (see below), whose sum is σ = 142381512. Its totient is φ = 23328000.

The previous prime is 61966693. The next prime is 61966711. The reversal of 61966700 is 766916.

It is a happy number.

61966700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16526 + ... + 19925.

It is an arithmetic number, because the mean of its divisors is an integer number (3955042).

Almost surely, 2^61966700 is an apocalyptic number.

It is an amenable number.

61966700 is an abundant number, since it is smaller than the sum of its proper divisors (80414812).

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

61966700 is a wasteful number, since it uses less digits than its factorization.

61966700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36482 (or 36475 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 61966700 is about 7871.8930378912. The cubic root of 61966700 is about 395.7182892510.

The spelling of 61966700 in words is "sixty-one million, nine hundred sixty-six thousand, seven hundred".