74252219909 has 16 divisors (see below), whose sum is σ = 85985349120. Its totient is φ = 62805940080.

The previous prime is 74252219851. The next prime is 74252219911. The reversal of 74252219909 is 90991225247.

It is a cyclic number.

It is not a de Polignac number, because 74252219909 - 2⁸ = 74252219653 is a prime.

It is a super-2 number, since 2×74252219909² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74252219939) 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 15 ways as a sum of consecutive naturals, for example, 62039 + ... + 390324.

It is an arithmetic number, because the mean of its divisors is an integer number (5374084320).

Almost surely, 2^74252219909 is an apocalyptic number.

It is an amenable number.

74252219909 is a deficient number, since it is larger than the sum of its proper divisors (11733129211).

74252219909 is a wasteful number, since it uses less digits than its factorization.

74252219909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452680.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 74252219909 in words is "seventy-four billion, two hundred fifty-two million, two hundred nineteen thousand, nine hundred nine".