74155201 has 4 divisors (see below), whose sum is σ = 74173012. Its totient is φ = 74137392.

The previous prime is 74155187. The next prime is 74155229. The reversal of 74155201 is 10255147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10255147 = 7 ⋅1465021.

It can be written as a sum of positive squares in 2 ways, for example, as 13315201 + 60840000 = 3649^2 + 7800^2 .

It is a cyclic number.

It is not a de Polignac number, because 74155201 - 2⁷ = 74155073 is a prime.

It is a super-3 number, since 3×74155201³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74155231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (18543253).

Almost surely, 2^74155201 is an apocalyptic number.

It is an amenable number.

74155201 is a deficient number, since it is larger than the sum of its proper divisors (17811).

74155201 is a wasteful number, since it uses less digits than its factorization.

74155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 74155201 is about 8611.3414169919. The cubic root of 74155201 is about 420.1269476420.

The spelling of 74155201 in words is "seventy-four million, one hundred fifty-five thousand, two hundred one".