71439482 has 4 divisors (see below), whose sum is σ = 107159226. Its totient is φ = 35719740.

The previous prime is 71439481. The next prime is 71439493. The reversal of 71439482 is 28493417.

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

It can be written as a sum of positive squares in only one way, i.e., 64144081 + 7295401 = 8009^2 + 2701^2 .

It is not an unprimeable number, because it can be changed into a prime (71439481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17859869 + ... + 17859872.

Almost surely, 2^71439482 is an apocalyptic number.

71439482 is a deficient number, since it is larger than the sum of its proper divisors (35719744).

71439482 is a wasteful number, since it uses less digits than its factorization.

71439482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35719743.

The product of its digits is 48384, while the sum is 38.

The square root of 71439482 is about 8452.1880007487. The cubic root of 71439482 is about 414.9343913315.

The spelling of 71439482 in words is "seventy-one million, four hundred thirty-nine thousand, four hundred eighty-two".