74729417 has 16 divisors (see below), whose sum is σ = 88273152. Its totient is φ = 61938240.

The previous prime is 74729411. The next prime is 74729423. The reversal of 74729417 is 71492747.

It is an interprime number because it is at equal distance from previous prime (74729411) and next prime (74729423).

It is not a de Polignac number, because 74729417 - 2⁴ = 74729401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74729411) 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 15 ways as a sum of consecutive naturals, for example, 24923 + ... + 27759.

It is an arithmetic number, because the mean of its divisors is an integer number (5517072).

Almost surely, 2^74729417 is an apocalyptic number.

It is an amenable number.

74729417 is a deficient number, since it is larger than the sum of its proper divisors (13543735).

74729417 is a wasteful number, since it uses less digits than its factorization.

74729417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its digits is 98784, while the sum is 41.

The square root of 74729417 is about 8644.6178053168. The cubic root of 74729417 is about 421.2085692156.

The spelling of 74729417 in words is "seventy-four million, seven hundred twenty-nine thousand, four hundred seventeen".