74427803394025 has 27 divisors (see below), whose sum is σ = 92599544363781. Its totient is φ = 59343507572640.

The previous prime is 74427803394001. The next prime is 74427803394083. The reversal of 74427803394025 is 52049330872447.

The square root of 74427803394025 is 8627155.

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 30042468172201 + 44385335221824 = 5481101^2 + 6662232^2 .

It is not a de Polignac number, because 74427803394025 - 2⁷ = 74427803393897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13674037954 + ... + 13674043396.

Almost surely, 2^{74427803394025} is an apocalyptic number.

74427803394025 is the 8627155-th square number.

74427803394025 is the 4313578-th centered octagonal number.

It is an amenable number.

74427803394025 is a deficient number, since it is larger than the sum of its proper divisors (18171740969756).

74427803394025 is an frugal number, since it uses more digits than its factorization.

74427803394025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530 (or 5765 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 74427803394025 in words is "seventy-four trillion, four hundred twenty-seven billion, eight hundred three million, three hundred ninety-four thousand, twenty-five".