74506233878 has 4 divisors (see below), whose sum is σ = 111759350820. Its totient is φ = 37253116938.

The previous prime is 74506233853. The next prime is 74506233911. The reversal of 74506233878 is 87833260547.

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, 18626558468 + ... + 18626558471.

It is an arithmetic number, because the mean of its divisors is an integer number (27939837705).

Almost surely, 2^74506233878 is an apocalyptic number.

74506233878 is a deficient number, since it is larger than the sum of its proper divisors (37253116942).

74506233878 is a wasteful number, since it uses less digits than its factorization.

74506233878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37253116941.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 74506233878 in words is "seventy-four billion, five hundred six million, two hundred thirty-three thousand, eight hundred seventy-eight".