74370129 has 4 divisors (see below), whose sum is σ = 99160176. Its totient is φ = 49580084.

The previous prime is 74370119. The next prime is 74370133. The reversal of 74370129 is 92107347.

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 not a de Polignac number, because 74370129 - 2⁴ = 74370113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74370129.

It is not an unprimeable number, because it can be changed into a prime (74370119) 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 in 3 ways as a sum of consecutive naturals, for example, 12395019 + ... + 12395024.

It is an arithmetic number, because the mean of its divisors is an integer number (24790044).

Almost surely, 2^74370129 is an apocalyptic number.

It is an amenable number.

74370129 is a deficient number, since it is larger than the sum of its proper divisors (24790047).

74370129 is a wasteful number, since it uses less digits than its factorization.

74370129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24790046.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 74370129 is about 8623.8117442347. The cubic root of 74370129 is about 420.5324482947.

The spelling of 74370129 in words is "seventy-four million, three hundred seventy thousand, one hundred twenty-nine".