71382043 has 4 divisors (see below), whose sum is σ = 72728928. Its totient is φ = 70035160.

The previous prime is 71382037. The next prime is 71382061. The reversal of 71382043 is 34028317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71382043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71382023) 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, 673363 + ... + 673468.

It is an arithmetic number, because the mean of its divisors is an integer number (18182232).

Almost surely, 2^71382043 is an apocalyptic number.

71382043 is a deficient number, since it is larger than the sum of its proper divisors (1346885).

71382043 is a wasteful number, since it uses less digits than its factorization.

71382043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346884.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 71382043 is about 8448.7894399139. The cubic root of 71382043 is about 414.8231558903.

The spelling of 71382043 in words is "seventy-one million, three hundred eighty-two thousand, forty-three".