71233069 has 4 divisors (see below), whose sum is σ = 72889696. Its totient is φ = 69576444.

The previous prime is 71233067. The next prime is 71233087. The reversal of 71233069 is 96033217.

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.

It is a cyclic number.

It is not a de Polignac number, because 71233069 - 2¹ = 71233067 is a prime.

It is a super-2 number, since 2×71233069² = 10148300238317522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71233069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71233061) 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, 828249 + ... + 828334.

It is an arithmetic number, because the mean of its divisors is an integer number (18222424).

Almost surely, 2^71233069 is an apocalyptic number.

It is an amenable number.

71233069 is a deficient number, since it is larger than the sum of its proper divisors (1656627).

71233069 is a wasteful number, since it uses less digits than its factorization.

71233069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656626.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 71233069 is about 8439.9685425954. The cubic root of 71233069 is about 414.5343768885.

The spelling of 71233069 in words is "seventy-one million, two hundred thirty-three thousand, sixty-nine".