71000457 has 16 divisors (see below), whose sum is σ = 104691648. Its totient is φ = 42439680.

The previous prime is 71000453. The next prime is 71000467. The reversal of 71000457 is 75400017.

It is not a de Polignac number, because 71000457 - 2² = 71000453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71000453) 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, 12328 + ... + 17145.

It is an arithmetic number, because the mean of its divisors is an integer number (6543228).

Almost surely, 2^71000457 is an apocalyptic number.

It is an amenable number.

71000457 is a deficient number, since it is larger than the sum of its proper divisors (33691191).

71000457 is a wasteful number, since it uses less digits than its factorization.

71000457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29560.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 71000457 is about 8426.1768910936. The cubic root of 71000457 is about 414.0826633694.

The spelling of 71000457 in words is "seventy-one million, four hundred fifty-seven", and thus it is an aban number.