71404 has 6 divisors (see below), whose sum is σ = 124964. Its totient is φ = 35700.

The previous prime is 71399. The next prime is 71411. The reversal of 71404 is 40417.

It is a happy number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8922 + ... + 8929.

2⁷¹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

71404 is a deficient number, since it is larger than the sum of its proper divisors (53560).

71404 is a wasteful number, since it uses less digits than its factorization.

71404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17855 (or 17853 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 71404 is about 267.2152690248. The cubic root of 71404 is about 41.4865684505.

The spelling of 71404 in words is "seventy-one thousand, four hundred four", and thus it is an iban number.