61719741 has 24 divisors (see below), whose sum is σ = 98504640. Its totient is φ = 37040256.

The previous prime is 61719731. The next prime is 61719761. The reversal of 61719741 is 14791716.

It is not a de Polignac number, because 61719741 - 2⁵ = 61719709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61719696 and 61719705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61719701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5251 + ... + 12288.

It is an arithmetic number, because the mean of its divisors is an integer number (4104360).

Almost surely, 2^61719741 is an apocalyptic number.

It is an amenable number.

61719741 is a deficient number, since it is larger than the sum of its proper divisors (36784899).

61719741 is a wasteful number, since it uses less digits than its factorization.

61719741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585 (or 17582 counting only the distinct ones).

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

The square root of 61719741 is about 7856.1912527636. The cubic root of 61719741 is about 395.1918973579.

The spelling of 61719741 in words is "sixty-one million, seven hundred nineteen thousand, seven hundred forty-one".