74722205 has 4 divisors (see below), whose sum is σ = 89666652. Its totient is φ = 59777760.

The previous prime is 74722189. The next prime is 74722217. The reversal of 74722205 is 50222747.

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 15031129 + 59691076 = 3877^2 + 7726^2 .

It is not a de Polignac number, because 74722205 - 2⁴ = 74722189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472216 + ... + 7472225.

It is an arithmetic number, because the mean of its divisors is an integer number (22416663).

Almost surely, 2^74722205 is an apocalyptic number.

It is an amenable number.

74722205 is a deficient number, since it is larger than the sum of its proper divisors (14944447).

74722205 is a wasteful number, since it uses less digits than its factorization.

74722205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14944446.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 74722205 is about 8644.2006570880. The cubic root of 74722205 is about 421.1950187556.

The spelling of 74722205 in words is "seventy-four million, seven hundred twenty-two thousand, two hundred five".