71457625 has 16 divisors (see below), whose sum is σ = 91084032. Its totient is φ = 55945200.

The previous prime is 71457599. The next prime is 71457643. The reversal of 71457625 is 52675417.

It is not a de Polignac number, because 71457625 - 2¹¹ = 71455577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (5692752).

Almost surely, 2^71457625 is an apocalyptic number.

It is an amenable number.

71457625 is a deficient number, since it is larger than the sum of its proper divisors (19626407).

71457625 is a wasteful number, since it uses less digits than its factorization.

71457625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225 (or 12215 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 71457625 is about 8453.2612050025. The cubic root of 71457625 is about 414.9695143813.

The spelling of 71457625 in words is "seventy-one million, four hundred fifty-seven thousand, six hundred twenty-five".