74234243247 has 32 divisors (see below), whose sum is σ = 106835101632. Its totient is φ = 45675362304.

The previous prime is 74234243231. The next prime is 74234243261.

It is a happy number.

74234243247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74234243247 - 2⁴ = 74234243231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74234243199 and 74234243208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74234243647) 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, 6040473 + ... + 6052749.

It is an arithmetic number, because the mean of its divisors is an integer number (3338596926).

Almost surely, 2^74234243247 is an apocalyptic number.

74234243247 is a deficient number, since it is larger than the sum of its proper divisors (32600858385).

74234243247 is a wasteful number, since it uses less digits than its factorization.

74234243247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14587.

The product of its digits is 903168, while the sum is 42.

The spelling of 74234243247 in words is "seventy-four billion, two hundred thirty-four million, two hundred forty-three thousand, two hundred forty-seven".