74049729 has 8 divisors (see below), whose sum is σ = 106327872. Its totient is φ = 45569040.

The previous prime is 74049721. The next prime is 74049737. The reversal of 74049729 is 92794047.

It is an interprime number because it is at equal distance from previous prime (74049721) and next prime (74049737).

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

It is not a de Polignac number, because 74049729 - 2³ = 74049721 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74049721) 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, 949317 + ... + 949394.

It is an arithmetic number, because the mean of its divisors is an integer number (13290984).

Almost surely, 2^74049729 is an apocalyptic number.

It is an amenable number.

74049729 is a deficient number, since it is larger than the sum of its proper divisors (32278143).

74049729 is a wasteful number, since it uses less digits than its factorization.

74049729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898727.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 74049729 is about 8605.2152210157. The cubic root of 74049729 is about 419.9276689500.

The spelling of 74049729 in words is "seventy-four million, forty-nine thousand, seven hundred twenty-nine".