74369289 has 4 divisors (see below), whose sum is σ = 99159056. Its totient is φ = 49579524.

The previous prime is 74369233. The next prime is 74369291. The reversal of 74369289 is 98296347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98296347 = 3 ⋅32765449.

It is a de Polignac number, because none of the positive numbers 2^k-74369289 is a prime.

It is a super-2 number, since 2×74369289² = 11061582292731042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74369209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12394879 + ... + 12394884.

It is an arithmetic number, because the mean of its divisors is an integer number (24789764).

Almost surely, 2^74369289 is an apocalyptic number.

It is an amenable number.

74369289 is a deficient number, since it is larger than the sum of its proper divisors (24789767).

74369289 is a wasteful number, since it uses less digits than its factorization.

74369289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24789766.

The product of its digits is 653184, while the sum is 48.

The square root of 74369289 is about 8623.7630417353. The cubic root of 74369289 is about 420.5308650041.

The spelling of 74369289 in words is "seventy-four million, three hundred sixty-nine thousand, two hundred eighty-nine".