71421362 has 16 divisors (see below), whose sum is σ = 109647000. Its totient is φ = 34880640.

The previous prime is 71421319. The next prime is 71421367. The reversal of 71421362 is 26312417.

It can be written as a sum of positive squares in 4 ways, for example, as 13980121 + 57441241 = 3739^2 + 7579^2 .

It is not an unprimeable number, because it can be changed into a prime (71421367) 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, 16214 + ... + 20142.

Almost surely, 2^71421362 is an apocalyptic number.

71421362 is a deficient number, since it is larger than the sum of its proper divisors (38225638).

71421362 is a wasteful number, since it uses less digits than its factorization.

71421362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141.

The product of its digits is 2016, while the sum is 26.

The square root of 71421362 is about 8451.1160209762. The cubic root of 71421362 is about 414.8993068715.

Adding to 71421362 its reverse (26312417), we get a palindrome (97733779).

The spelling of 71421362 in words is "seventy-one million, four hundred twenty-one thousand, three hundred sixty-two".