74396825 has 12 divisors (see below), whose sum is σ = 94746540. Its totient is φ = 57908160.

The previous prime is 74396821. The next prime is 74396849. The reversal of 74396825 is 52869347.

It can be written as a sum of positive squares in 6 ways, for example, as 1993744 + 72403081 = 1412^2 + 8509^2 .

It is not a de Polignac number, because 74396825 - 2² = 74396821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74396821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39290 + ... + 41139.

It is an arithmetic number, because the mean of its divisors is an integer number (7895545).

Almost surely, 2^74396825 is an apocalyptic number.

It is an amenable number.

74396825 is a deficient number, since it is larger than the sum of its proper divisors (20349715).

74396825 is a wasteful number, since it uses less digits than its factorization.

74396825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80476 (or 80471 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 74396825 is about 8625.3594128013. The cubic root of 74396825 is about 420.5827605700.

The spelling of 74396825 in words is "seventy-four million, three hundred ninety-six thousand, eight hundred twenty-five".