71048449 has 16 divisors (see below), whose sum is σ = 77293440. Its totient is φ = 65127040.

The previous prime is 71048437. The next prime is 71048459. The reversal of 71048449 is 94484017.

It is a cyclic number.

It is not a de Polignac number, because 71048449 - 2²¹ = 68951297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71048459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54999 + ... + 56275.

It is an arithmetic number, because the mean of its divisors is an integer number (4830840).

Almost surely, 2^71048449 is an apocalyptic number.

It is an amenable number.

71048449 is a deficient number, since it is larger than the sum of its proper divisors (6244991).

71048449 is a wasteful number, since it uses less digits than its factorization.

71048449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 71048449 is about 8429.0242021245. The cubic root of 71048449 is about 414.1759406060.

The spelling of 71048449 in words is "seventy-one million, forty-eight thousand, four hundred forty-nine".