74716743782 has 4 divisors (see below), whose sum is σ = 112075115676. Its totient is φ = 37358371890.

The previous prime is 74716743763. The next prime is 74716743869. The reversal of 74716743782 is 28734761747.

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

It is a congruent number.

It is an unprimeable number.

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, 18679185944 + ... + 18679185947.

It is an arithmetic number, because the mean of its divisors is an integer number (28018778919).

Almost surely, 2^74716743782 is an apocalyptic number.

74716743782 is a deficient number, since it is larger than the sum of its proper divisors (37358371894).

74716743782 is a wasteful number, since it uses less digits than its factorization.

74716743782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37358371893.

The product of its digits is 11063808, while the sum is 56.

The spelling of 74716743782 in words is "seventy-four billion, seven hundred sixteen million, seven hundred forty-three thousand, seven hundred eighty-two".