71354369 has 8 divisors (see below), whose sum is σ = 72074280. Its totient is φ = 70638336.

The previous prime is 71354357. The next prime is 71354401. The reversal of 71354369 is 96345317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6310144 + 65044225 = 2512^2 + 8065^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 71354369 - 2²⁰ = 70305793 is a prime.

It is a super-2 number, since 2×71354369² = 10182891950776322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71359369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47177 + ... + 48665.

It is an arithmetic number, because the mean of its divisors is an integer number (9009285).

Almost surely, 2^71354369 is an apocalyptic number.

It is an amenable number.

71354369 is a deficient number, since it is larger than the sum of its proper divisors (719911).

71354369 is a wasteful number, since it uses less digits than its factorization.

71354369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its digits is 68040, while the sum is 38.

The square root of 71354369 is about 8447.1515317295. The cubic root of 71354369 is about 414.7695415666.

The spelling of 71354369 in words is "seventy-one million, three hundred fifty-four thousand, three hundred sixty-nine".