71883387 has 6 divisors (see below), whose sum is σ = 103831572. Its totient is φ = 47922252.

The previous prime is 71883379. The next prime is 71883407. The reversal of 71883387 is 78338817.

It is not a de Polignac number, because 71883387 - 2³ = 71883379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71883337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3993513 + ... + 3993530.

It is an arithmetic number, because the mean of its divisors is an integer number (17305262).

Almost surely, 2^71883387 is an apocalyptic number.

71883387 is a deficient number, since it is larger than the sum of its proper divisors (31948185).

71883387 is a wasteful number, since it uses less digits than its factorization.

71883387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987049 (or 7987046 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 71883387 is about 8478.4071027523. The cubic root of 71883387 is about 415.7920461960.

The spelling of 71883387 in words is "seventy-one million, eight hundred eighty-three thousand, three hundred eighty-seven".