74834775082 has 4 divisors (see below), whose sum is σ = 112252162626. Its totient is φ = 37417387540.

The previous prime is 74834775077. The next prime is 74834775089. The reversal of 74834775082 is 28057743847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28057743847 = 7 ⋅4008249121.

It can be written as a sum of positive squares in only one way, i.e., 57092801481 + 17741973601 = 238941^2 + 133199^2 .

It is not an unprimeable number, because it can be changed into a prime (74834775089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18708693769 + ... + 18708693772.

Almost surely, 2^74834775082 is an apocalyptic number.

74834775082 is a deficient number, since it is larger than the sum of its proper divisors (37417387544).

74834775082 is a wasteful number, since it uses less digits than its factorization.

74834775082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37417387543.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 74834775082 in words is "seventy-four billion, eight hundred thirty-four million, seven hundred seventy-five thousand, eighty-two".