71404162 has 4 divisors (see below), whose sum is σ = 107106246. Its totient is φ = 35702080.

The previous prime is 71404159. The next prime is 71404163. The reversal of 71404162 is 26140417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26140417 = 409 ⋅63913.

It can be written as a sum of positive squares in only one way, i.e., 64947481 + 6456681 = 8059^2 + 2541^2 .

It is not an unprimeable number, because it can be changed into a prime (71404163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17851039 + ... + 17851042.

Almost surely, 2^71404162 is an apocalyptic number.

71404162 is a deficient number, since it is larger than the sum of its proper divisors (35702084).

71404162 is a wasteful number, since it uses less digits than its factorization.

71404162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35702083.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 71404162 is about 8450.0983426230. The cubic root of 71404162 is about 414.8659982515.

Adding to 71404162 its reverse (26140417), we get a palindrome (97544579).

The spelling of 71404162 in words is "seventy-one million, four hundred four thousand, one hundred sixty-two".