74299291 has 8 divisors (see below), whose sum is σ = 85320000. Its totient is φ = 63989640.

The previous prime is 74299261. The next prime is 74299307. The reversal of 74299291 is 19299247.

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

It is not a de Polignac number, because 74299291 - 2⁵ = 74299259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74299201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177541 + ... + 177958.

It is an arithmetic number, because the mean of its divisors is an integer number (10665000).

Almost surely, 2^74299291 is an apocalyptic number.

74299291 is a deficient number, since it is larger than the sum of its proper divisors (11020709).

74299291 is a wasteful number, since it uses less digits than its factorization.

74299291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355529.

The product of its digits is 81648, while the sum is 43.

The square root of 74299291 is about 8619.7036491982. The cubic root of 74299291 is about 420.3988859749.

The spelling of 74299291 in words is "seventy-four million, two hundred ninety-nine thousand, two hundred ninety-one".