74254689 has 12 divisors (see below), whose sum is σ = 109539456. Its totient is φ = 48449592.

The previous prime is 74254681. The next prime is 74254721. The reversal of 74254689 is 98645247.

It is a happy number.

It is not a de Polignac number, because 74254689 - 2³ = 74254681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74254681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87349 + ... + 88194.

It is an arithmetic number, because the mean of its divisors is an integer number (9128288).

Almost surely, 2^74254689 is an apocalyptic number.

It is an amenable number.

74254689 is a deficient number, since it is larger than the sum of its proper divisors (35284767).

74254689 is a wasteful number, since it uses less digits than its factorization.

74254689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175596 (or 175593 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 74254689 is about 8617.1160488878. The cubic root of 74254689 is about 420.3147470635.

The spelling of 74254689 in words is "seventy-four million, two hundred fifty-four thousand, six hundred eighty-nine".