74149375 has 20 divisors (see below), whose sum is σ = 95875560. Its totient is φ = 57260000.

The previous prime is 74149363. The next prime is 74149379. The reversal of 74149375 is 57394147.

It is not a de Polignac number, because 74149375 - 2⁷ = 74149247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74149379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16080 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (4793778).

Almost surely, 2^74149375 is an apocalyptic number.

74149375 is a deficient number, since it is larger than the sum of its proper divisors (21726185).

74149375 is an equidigital number, since it uses as much as digits as its factorization.

74149375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140 (or 4125 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 74149375 is about 8611.0031355238. The cubic root of 74149375 is about 420.1159449357.

The spelling of 74149375 in words is "seventy-four million, one hundred forty-nine thousand, three hundred seventy-five".