74052245 has 4 divisors (see below), whose sum is σ = 88862700. Its totient is φ = 59241792.

The previous prime is 74052241. The next prime is 74052247. The reversal of 74052245 is 54225047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17230801 + 56821444 = 4151^2 + 7538^2 .

It is a cyclic number.

It is not a de Polignac number, because 74052245 - 2² = 74052241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74052241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405220 + ... + 7405229.

It is an arithmetic number, because the mean of its divisors is an integer number (22215675).

Almost surely, 2^74052245 is an apocalyptic number.

It is an amenable number.

74052245 is a deficient number, since it is larger than the sum of its proper divisors (14810455).

74052245 is a wasteful number, since it uses less digits than its factorization.

74052245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14810454.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 74052245 is about 8605.3614101907. The cubic root of 74052245 is about 419.9324248803.

The spelling of 74052245 in words is "seventy-four million, fifty-two thousand, two hundred forty-five".