74564129 has 8 divisors (see below), whose sum is σ = 76531392. Its totient is φ = 72622480.

The previous prime is 74564123. The next prime is 74564173. The reversal of 74564129 is 92146547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74564129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74564092 and 74564101.

It is not an unprimeable number, because it can be changed into a prime (74564123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (9566424).

Almost surely, 2^74564129 is an apocalyptic number.

It is an amenable number.

74564129 is a deficient number, since it is larger than the sum of its proper divisors (1967263).

74564129 is a wasteful number, since it uses less digits than its factorization.

74564129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807.

The product of its digits is 60480, while the sum is 38.

The square root of 74564129 is about 8635.0523449485. The cubic root of 74564129 is about 420.8977941668.

The spelling of 74564129 in words is "seventy-four million, five hundred sixty-four thousand, one hundred twenty-nine".