71983273 has 8 divisors (see below), whose sum is σ = 74194560. Its totient is φ = 69800400.

The previous prime is 71983237. The next prime is 71983277. The reversal of 71983273 is 37238917.

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 71983273 - 2⁹ = 71982761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71983277) 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, 1903 + ... + 12148.

It is an arithmetic number, because the mean of its divisors is an integer number (9274320).

Almost surely, 2^71983273 is an apocalyptic number.

It is an amenable number.

71983273 is a deficient number, since it is larger than the sum of its proper divisors (2211287).

71983273 is a wasteful number, since it uses less digits than its factorization.

71983273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207.

The product of its digits is 63504, while the sum is 40.

The square root of 71983273 is about 8484.2956690582. The cubic root of 71983273 is about 415.9845458540.

The spelling of 71983273 in words is "seventy-one million, nine hundred eighty-three thousand, two hundred seventy-three".