61723808 has 12 divisors (see below), whose sum is σ = 121518810. Its totient is φ = 30861888.

The previous prime is 61723801. The next prime is 61723829. The reversal of 61723808 is 80832716.

61723808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 61277584 + 446224 = 7828^2 + 668^2 .

It is not an unprimeable number, because it can be changed into a prime (61723801) by changing a digit.

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 as a sum of consecutive naturals, namely, 964403 + ... + 964466.

Almost surely, 2^61723808 is an apocalyptic number.

It is an amenable number.

61723808 is a deficient number, since it is larger than the sum of its proper divisors (59795002).

61723808 is a wasteful number, since it uses less digits than its factorization.

61723808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928879 (or 1928871 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 61723808 is about 7856.4500889397. The cubic root of 61723808 is about 395.2005775096.

The spelling of 61723808 in words is "sixty-one million, seven hundred twenty-three thousand, eight hundred eight".