74173201 has 2 divisors, whose sum is σ = 74173202. Its totient is φ = 74173200.

The previous prime is 74173157. The next prime is 74173219. The reversal of 74173201 is 10237147.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73942801 + 230400 = 8599^2 + 480^2 .

It is an emirp because it is prime and its reverse (10237147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74173201 - 2¹⁵ = 74140433 is a prime.

It is not a weakly prime, because it can be changed into another prime (74173501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37086600 + 37086601.

It is an arithmetic number, because the mean of its divisors is an integer number (37086601).

Almost surely, 2^74173201 is an apocalyptic number.

It is an amenable number.

74173201 is a deficient number, since it is larger than the sum of its proper divisors (1).

74173201 is an equidigital number, since it uses as much as digits as its factorization.

74173201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 74173201 is about 8612.3864869152. The cubic root of 74173201 is about 420.1609379451.

The spelling of 74173201 in words is "seventy-four million, one hundred seventy-three thousand, two hundred one".