74579347798 has 32 divisors (see below), whose sum is σ = 116115024384. Its totient is φ = 35901768672.

The previous prime is 74579347729. The next prime is 74579347831. The reversal of 74579347798 is 89774397547.

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 in 15 ways as a sum of consecutive naturals, for example, 4759765 + ... + 4775407.

It is an arithmetic number, because the mean of its divisors is an integer number (3628594512).

Almost surely, 2^74579347798 is an apocalyptic number.

74579347798 is a deficient number, since it is larger than the sum of its proper divisors (41535676586).

74579347798 is a wasteful number, since it uses less digits than its factorization.

74579347798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16516.

The product of its digits is 373403520, while the sum is 70.

The spelling of 74579347798 in words is "seventy-four billion, five hundred seventy-nine million, three hundred forty-seven thousand, seven hundred ninety-eight".