74242769225 has 6 divisors (see below), whose sum is σ = 92061033870. Its totient is φ = 59394215360.

The previous prime is 74242769213. The next prime is 74242769233. The reversal of 74242769225 is 52296724247.

It can be written as a sum of positive squares in 3 ways, for example, as 18329910544 + 55912858681 = 135388^2 + 236459^2 .

It is not a de Polignac number, because 74242769225 - 2³² = 69947801929 is a prime.

It is a super-3 number, since 3×74242769225³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1484855360 + ... + 1484855409.

It is an arithmetic number, because the mean of its divisors is an integer number (15343505645).

Almost surely, 2^74242769225 is an apocalyptic number.

It is an amenable number.

74242769225 is a deficient number, since it is larger than the sum of its proper divisors (17818264645).

74242769225 is a wasteful number, since it uses less digits than its factorization.

74242769225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969710779 (or 2969710774 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 74242769225 in words is "seventy-four billion, two hundred forty-two million, seven hundred sixty-nine thousand, two hundred twenty-five".