74579347797 has 32 divisors (see below), whose sum is σ = 105211201536. Its totient is φ = 46896062400.

The previous prime is 74579347729. The next prime is 74579347831. The reversal of 74579347797 is 79774397547.

It is not a de Polignac number, because 74579347797 - 2⁷ = 74579347669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74579347727) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3086272 + ... + 3110342.

It is an arithmetic number, because the mean of its divisors is an integer number (3287850048).

Almost surely, 2^74579347797 is an apocalyptic number.

It is an amenable number.

74579347797 is a deficient number, since it is larger than the sum of its proper divisors (30631853739).

74579347797 is a wasteful number, since it uses less digits than its factorization.

74579347797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24721.

The product of its digits is 326728080, while the sum is 69.

The spelling of 74579347797 in words is "seventy-four billion, five hundred seventy-nine million, three hundred forty-seven thousand, seven hundred ninety-seven".