71458025 has 12 divisors (see below), whose sum is σ = 88750272. Its totient is φ = 57074640.

The previous prime is 71457977. The next prime is 71458043. The reversal of 71458025 is 52085417.

It is not a de Polignac number, because 71458025 - 2⁶ = 71457961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71457982 and 71458000.

It is a congruent number.

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, 16652 + ... + 20498.

It is an arithmetic number, because the mean of its divisors is an integer number (7395856).

Almost surely, 2^71458025 is an apocalyptic number.

It is an amenable number.

71458025 is a deficient number, since it is larger than the sum of its proper divisors (17292247).

71458025 is a wasteful number, since it uses less digits than its factorization.

71458025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 71458025 is about 8453.2848644772. The cubic root of 71458025 is about 414.9702886747.

The spelling of 71458025 in words is "seventy-one million, four hundred fifty-eight thousand, twenty-five".