71055725 has 48 divisors (see below), whose sum is σ = 102910080. Its totient is φ = 48211200.

The previous prime is 71055707. The next prime is 71055757. The reversal of 71055725 is 52755017.

It is not a de Polignac number, because 71055725 - 2⁸ = 71055469 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71055691 and 71055700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228320 + ... + 228630.

It is an arithmetic number, because the mean of its divisors is an integer number (2143960).

Almost surely, 2^71055725 is an apocalyptic number.

It is an amenable number.

71055725 is a deficient number, since it is larger than the sum of its proper divisors (31854355).

71055725 is a wasteful number, since it uses less digits than its factorization.

71055725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 71055725 is about 8429.4557950084. The cubic root of 71055725 is about 414.1900785702.

The spelling of 71055725 in words is "seventy-one million, fifty-five thousand, seven hundred twenty-five".