74430269 has 4 divisors (see below), whose sum is σ = 76996860. Its totient is φ = 71863680.

The previous prime is 74430263. The next prime is 74430283. The reversal of 74430269 is 96203447.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61434244 + 12996025 = 7838^2 + 3605^2 .

It is a cyclic number.

It is not a de Polignac number, because 74430269 - 2¹⁶ = 74364733 is a prime.

It is a super-2 number, since 2×74430269² = 11079729886824722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74430263) 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, 1283252 + ... + 1283309.

It is an arithmetic number, because the mean of its divisors is an integer number (19249215).

Almost surely, 2^74430269 is an apocalyptic number.

It is an amenable number.

74430269 is a deficient number, since it is larger than the sum of its proper divisors (2566591).

74430269 is a wasteful number, since it uses less digits than its factorization.

74430269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566590.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 74430269 is about 8627.2978967925. The cubic root of 74430269 is about 420.6457733964.

It can be divided in two parts, 744 and 30269, that added together give a palindrome (31013).

The spelling of 74430269 in words is "seventy-four million, four hundred thirty thousand, two hundred sixty-nine".