65740740742 has 4 divisors (see below), whose sum is σ = 98611111116. Its totient is φ = 32870370370.

The previous prime is 65740740733. The next prime is 65740740743. The reversal of 65740740742 is 24704704756.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 65740740692 and 65740740701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65740740743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16435185184 + ... + 16435185187.

It is an arithmetic number, because the mean of its divisors is an integer number (24652777779).

Almost surely, 2^65740740742 is an apocalyptic number.

65740740742 is a deficient number, since it is larger than the sum of its proper divisors (32870370374).

65740740742 is a wasteful number, since it uses less digits than its factorization.

65740740742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32870370373.

The product of its (nonzero) digits is 1317120, while the sum is 46.

The spelling of 65740740742 in words is "sixty-five billion, seven hundred forty million, seven hundred forty thousand, seven hundred forty-two".