74248075225 has 9 divisors (see below), whose sum is σ = 92069302717. Its totient is φ = 59397370240.

The previous prime is 74248075177. The next prime is 74248075243. The reversal of 74248075225 is 52257084247.

The square root of 74248075225 is 272485.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5669035849 + 68579039376 = 75293^2 + 261876^2 .

It is not a de Polignac number, because 74248075225 - 2²¹ = 74245978073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1335177 + ... + 1389673.

Almost surely, 2^74248075225 is an apocalyptic number.

74248075225 is the 272485-th square number.

74248075225 is the 136243-rd centered octagonal number.

It is an amenable number.

74248075225 is a deficient number, since it is larger than the sum of its proper divisors (17821227492).

74248075225 is an frugal number, since it uses more digits than its factorization.

74248075225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109004 (or 54502 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 46.

It can be divided in two parts, 7424 and 8075225, that added together give a square (8082649 = 2843²).

The spelling of 74248075225 in words is "seventy-four billion, two hundred forty-eight million, seventy-five thousand, two hundred twenty-five".