74157201 has 20 divisors (see below), whose sum is σ = 111041700. Its totient is φ = 49320576.

The previous prime is 74157191. The next prime is 74157217. The reversal of 74157201 is 10275147.

It can be written as a sum of positive squares in 2 ways, for example, as 46908801 + 27248400 = 6849^2 + 5220^2 .

It is not a de Polignac number, because 74157201 - 2⁶ = 74157137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74157271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45285 + ... + 46893.

It is an arithmetic number, because the mean of its divisors is an integer number (5552085).

Almost surely, 2^74157201 is an apocalyptic number.

It is an amenable number.

74157201 is a deficient number, since it is larger than the sum of its proper divisors (36884499).

74157201 is a wasteful number, since it uses less digits than its factorization.

74157201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 74157201 is about 8611.4575421354. The cubic root of 74157201 is about 420.1307246140.

The spelling of 74157201 in words is "seventy-four million, one hundred fifty-seven thousand, two hundred one".