61266708 has 36 divisors (see below), whose sum is σ = 163980180. Its totient is φ = 19220736.

The previous prime is 61266703. The next prime is 61266719. The reversal of 61266708 is 80766216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24324624 + 36942084 = 4932^2 + 6078^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61266703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49443 + ... + 50666.

It is an arithmetic number, because the mean of its divisors is an integer number (4555005).

Almost surely, 2^61266708 is an apocalyptic number.

61266708 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61266708 is an abundant number, since it is smaller than the sum of its proper divisors (102713472).

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

61266708 is a wasteful number, since it uses less digits than its factorization.

61266708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100136 (or 100131 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 61266708 is about 7827.3052834293. The cubic root of 61266708 is about 394.2225974673. Note that the first 3 decimals are identical.

The spelling of 61266708 in words is "sixty-one million, two hundred sixty-six thousand, seven hundred eight".