74134489 has 16 divisors (see below), whose sum is σ = 87462144. Its totient is φ = 61948800.

The previous prime is 74134483. The next prime is 74134499. The reversal of 74134489 is 98443147.

It is a cyclic number.

It is not a de Polignac number, because 74134489 - 2¹⁵ = 74101721 is a prime.

It is a super-2 number, since 2×74134489² = 10991844918582242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74134483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37797 + ... + 39709.

It is an arithmetic number, because the mean of its divisors is an integer number (5466384).

Almost surely, 2^74134489 is an apocalyptic number.

It is an amenable number.

74134489 is a deficient number, since it is larger than the sum of its proper divisors (13327655).

74134489 is a wasteful number, since it uses less digits than its factorization.

74134489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its digits is 96768, while the sum is 40.

The square root of 74134489 is about 8610.1387329125. The cubic root of 74134489 is about 420.0878293267.

The spelling of 74134489 in words is "seventy-four million, one hundred thirty-four thousand, four hundred eighty-nine".