74457154 has 4 divisors (see below), whose sum is σ = 111685734. Its totient is φ = 37228576.

The previous prime is 74457139. The next prime is 74457193. The reversal of 74457154 is 45175447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 5650129 = 8295^2 + 2377^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18614287 + ... + 18614290.

Almost surely, 2^74457154 is an apocalyptic number.

74457154 is a deficient number, since it is larger than the sum of its proper divisors (37228580).

74457154 is a wasteful number, since it uses less digits than its factorization.

74457154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37228579.

The product of its digits is 78400, while the sum is 37.

The square root of 74457154 is about 8628.8558917159. The cubic root of 74457154 is about 420.6964145329.

The spelling of 74457154 in words is "seventy-four million, four hundred fifty-seven thousand, one hundred fifty-four".