74129201 has 4 divisors (see below), whose sum is σ = 74517504. Its totient is φ = 73740900.

The previous prime is 74129173. The next prime is 74129221. The reversal of 74129201 is 10292147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74129201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74129221) 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, 193865 + ... + 194246.

It is an arithmetic number, because the mean of its divisors is an integer number (18629376).

Almost surely, 2^74129201 is an apocalyptic number.

It is an amenable number.

74129201 is a deficient number, since it is larger than the sum of its proper divisors (388303).

74129201 is a wasteful number, since it uses less digits than its factorization.

74129201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388302.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 74129201 is about 8609.8316475992. The cubic root of 74129201 is about 420.0778408257.

The spelling of 74129201 in words is "seventy-four million, one hundred twenty-nine thousand, two hundred one".