71322404 has 6 divisors (see below), whose sum is σ = 124814214. Its totient is φ = 35661200.

The previous prime is 71322367. The next prime is 71322437. The reversal of 71322404 is 40422317.

It can be written as a sum of positive squares in only one way, i.e., 71233600 + 88804 = 8440^2 + 298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71322404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8915297 + ... + 8915304.

It is an arithmetic number, because the mean of its divisors is an integer number (20802369).

Almost surely, 2^71322404 is an apocalyptic number.

It is an amenable number.

71322404 is a deficient number, since it is larger than the sum of its proper divisors (53491810).

71322404 is a wasteful number, since it uses less digits than its factorization.

71322404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830605 (or 17830603 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 71322404 is about 8445.2592618581. The cubic root of 71322404 is about 414.7075968026.

The spelling of 71322404 in words is "seventy-one million, three hundred twenty-two thousand, four hundred four".