74787742966 has 32 divisors (see below), whose sum is σ = 119631895488. Its totient is φ = 34942233600.

The previous prime is 74787742963. The next prime is 74787742973. The reversal of 74787742966 is 66924778747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74787742963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15158236 + ... + 15163168.

It is an arithmetic number, because the mean of its divisors is an integer number (3738496734).

Almost surely, 2^74787742966 is an apocalyptic number.

74787742966 is a deficient number, since it is larger than the sum of its proper divisors (44844152522).

74787742966 is a wasteful number, since it uses less digits than its factorization.

74787742966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056.

The product of its digits is 199148544, while the sum is 67.

The spelling of 74787742966 in words is "seventy-four billion, seven hundred eighty-seven million, seven hundred forty-two thousand, nine hundred sixty-six".