71197025 has 12 divisors (see below), whose sum is σ = 89529984. Its totient is φ = 56154000.

The previous prime is 71197013. The next prime is 71197039. The reversal of 71197025 is 52079117.

It is a de Polignac number, because none of the positive numbers 2^k-71197025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71196982 and 71197000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18281 + ... + 21830.

It is an arithmetic number, because the mean of its divisors is an integer number (7460832).

Almost surely, 2^71197025 is an apocalyptic number.

It is an amenable number.

71197025 is a deficient number, since it is larger than the sum of its proper divisors (18332959).

71197025 is a wasteful number, since it uses less digits than its factorization.

71197025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40192 (or 40187 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 71197025 is about 8437.8329563935. The cubic root of 71197025 is about 414.4644468306.

The spelling of 71197025 in words is "seventy-one million, one hundred ninety-seven thousand, twenty-five".