74323820097 has 24 divisors (see below), whose sum is σ = 112121827584. Its totient is φ = 47353641984.

The previous prime is 74323820093. The next prime is 74323820099. The reversal of 74323820097 is 79002832347.

74323820097 is a `hidden beast` number, since 7 + 432 + 3 + 8 + 200 + 9 + 7 = 666.

It is not a de Polignac number, because 74323820097 - 2² = 74323820093 is a prime.

It is a super-2 number, since 2×74323820097² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74323820093) 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 23 ways as a sum of consecutive naturals, for example, 82968 + ... + 394374.

It is an arithmetic number, because the mean of its divisors is an integer number (4671742816).

Almost surely, 2^74323820097 is an apocalyptic number.

It is an amenable number.

74323820097 is a deficient number, since it is larger than the sum of its proper divisors (37798007487).

74323820097 is a wasteful number, since it uses less digits than its factorization.

74323820097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312589 (or 312586 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 74323820097 in words is "seventy-four billion, three hundred twenty-three million, eight hundred twenty thousand, ninety-seven".