71040048 has 20 divisors (see below), whose sum is σ = 183520248. Its totient is φ = 23680000.

The previous prime is 71040043. The next prime is 71040061. The reversal of 71040048 is 84004017.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (71040043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739953 + ... + 740048.

Almost surely, 2^71040048 is an apocalyptic number.

It is an amenable number.

71040048 is an abundant number, since it is smaller than the sum of its proper divisors (112480200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71040048 is a wasteful number, since it uses less digits than its factorization.

71040048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480012 (or 1480006 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 71040048 is about 8428.5258497557. The cubic root of 71040048 is about 414.1596154585.

The spelling of 71040048 in words is "seventy-one million, forty thousand, forty-eight".