61719714 has 144 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 16003008.

The previous prime is 61719709. The next prime is 61719727. The reversal of 61719714 is 41791716.

61719714 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 71 ways as a sum of consecutive naturals, for example, 485919 + ... + 486045.

It is an arithmetic number, because the mean of its divisors is an integer number (1185600).

Almost surely, 2^61719714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61719714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85363200).

61719714 is an abundant number, since it is smaller than the sum of its proper divisors (109006686).

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

61719714 is a wasteful number, since it uses less digits than its factorization.

61719714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 61719714 is about 7856.1895343735. The cubic root of 61719714 is about 395.1918397308.

The spelling of 61719714 in words is "sixty-one million, seven hundred nineteen thousand, seven hundred fourteen".