71923369 has 12 divisors (see below), whose sum is σ = 85931776. Its totient is φ = 58965192.

The previous prime is 71923351. The next prime is 71923373. The reversal of 71923369 is 96332917.

It is not a de Polignac number, because 71923369 - 2¹³ = 71915177 is a prime.

It is a super-2 number, since 2×71923369² = 10345942016620322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71923309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6009 + ... + 13414.

Almost surely, 2^71923369 is an apocalyptic number.

It is an amenable number.

71923369 is a deficient number, since it is larger than the sum of its proper divisors (14008407).

71923369 is a wasteful number, since it uses less digits than its factorization.

71923369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19476 (or 19453 counting only the distinct ones).

The product of its digits is 61236, while the sum is 40.

The square root of 71923369 is about 8480.7646471294. The cubic root of 71923369 is about 415.8691206406.

The spelling of 71923369 in words is "seventy-one million, nine hundred twenty-three thousand, three hundred sixty-nine".