74056733518 has 4 divisors (see below), whose sum is σ = 111085100280. Its totient is φ = 37028366758.

The previous prime is 74056733479. The next prime is 74056733519. The reversal of 74056733518 is 81533765047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81533765047 = 7 ⋅11647680721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74056733519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18514183378 + ... + 18514183381.

It is an arithmetic number, because the mean of its divisors is an integer number (27771275070).

Almost surely, 2^74056733518 is an apocalyptic number.

74056733518 is a deficient number, since it is larger than the sum of its proper divisors (37028366762).

74056733518 is a wasteful number, since it uses less digits than its factorization.

74056733518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028366761.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 74056733518 in words is "seventy-four billion, fifty-six million, seven hundred thirty-three thousand, five hundred eighteen".