74289266 has 8 divisors (see below), whose sum is σ = 114445740. Its totient is φ = 36140688.

The previous prime is 74289263. The next prime is 74289283. The reversal of 74289266 is 66298247.

It can be written as a sum of positive squares in 2 ways, for example, as 73530625 + 758641 = 8575^2 + 871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74289263) 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, 501881 + ... + 502028.

Almost surely, 2^74289266 is an apocalyptic number.

74289266 is a deficient number, since it is larger than the sum of its proper divisors (40156474).

74289266 is a wasteful number, since it uses less digits than its factorization.

74289266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003948.

The product of its digits is 290304, while the sum is 44.

The square root of 74289266 is about 8619.1221130693. The cubic root of 74289266 is about 420.3799773674.

The spelling of 74289266 in words is "seventy-four million, two hundred eighty-nine thousand, two hundred sixty-six".