71458648 has 16 divisors (see below), whose sum is σ = 134099280. Its totient is φ = 35698848.

The previous prime is 71458643. The next prime is 71458663. The reversal of 71458648 is 84685417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71458643) 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, 8490 + ... + 14662.

It is an arithmetic number, because the mean of its divisors is an integer number (8381205).

Almost surely, 2^71458648 is an apocalyptic number.

It is an amenable number.

71458648 is a deficient number, since it is larger than the sum of its proper divisors (62640632).

71458648 is a wasteful number, since it uses less digits than its factorization.

71458648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626 (or 7622 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 71458648 is about 8453.3217139773. The cubic root of 71458648 is about 414.9714946308.

The spelling of 71458648 in words is "seventy-one million, four hundred fifty-eight thousand, six hundred forty-eight".