74458149 has 8 divisors (see below), whose sum is σ = 99629472. Its totient is φ = 49462800.

The previous prime is 74458141. The next prime is 74458157. The reversal of 74458149 is 94185447.

It is an interprime number because it is at equal distance from previous prime (74458141) and next prime (74458157).

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

It is not a de Polignac number, because 74458149 - 2³ = 74458141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74458149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74458141) 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, 43002 + ... + 44699.

It is an arithmetic number, because the mean of its divisors is an integer number (12453684).

Almost surely, 2^74458149 is an apocalyptic number.

It is an amenable number.

74458149 is a deficient number, since it is larger than the sum of its proper divisors (25171323).

74458149 is a wasteful number, since it uses less digits than its factorization.

74458149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87987.

The product of its digits is 161280, while the sum is 42.

The square root of 74458149 is about 8628.9135469073. The cubic root of 74458149 is about 420.6982885013.

The spelling of 74458149 in words is "seventy-four million, four hundred fifty-eight thousand, one hundred forty-nine".