71450025 has 12 divisors (see below), whose sum is σ = 118130832. Its totient is φ = 38106640.

The previous prime is 71449979. The next prime is 71450033. The reversal of 71450025 is 52005417.

It is not a de Polignac number, because 71450025 - 2²¹ = 69352873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71449977 and 71450004.

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, 476259 + ... + 476408.

It is an arithmetic number, because the mean of its divisors is an integer number (9844236).

Almost surely, 2^71450025 is an apocalyptic number.

71450025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71450025 is a deficient number, since it is larger than the sum of its proper divisors (46680807).

71450025 is a wasteful number, since it uses less digits than its factorization.

71450025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952680 (or 952675 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 71450025 is about 8452.8116623997. The cubic root of 71450025 is about 414.9548022582.

The spelling of 71450025 in words is "seventy-one million, four hundred fifty thousand, twenty-five".