71450404 has 12 divisors (see below), whose sum is σ = 128417884. Its totient is φ = 34759584.

The previous prime is 71450399. The next prime is 71450419. The reversal of 71450404 is 40405417.

It can be written as a sum of positive squares in 2 ways, for example, as 38937600 + 32512804 = 6240^2 + 5702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241239 + ... + 241534.

Almost surely, 2^71450404 is an apocalyptic number.

71450404 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

71450404 is a deficient number, since it is larger than the sum of its proper divisors (56967480).

71450404 is a wasteful number, since it uses less digits than its factorization.

71450404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482814 (or 482812 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 71450404 is about 8452.8340809459. The cubic root of 71450404 is about 414.9555359533.

The spelling of 71450404 in words is "seventy-one million, four hundred fifty thousand, four hundred four".