71906125 has 8 divisors (see below), whose sum is σ = 89739000. Its totient is φ = 57524800.

The previous prime is 71906111. The next prime is 71906147. The reversal of 71906125 is 52160917.

It can be written as a sum of positive squares in 4 ways, for example, as 10220809 + 61685316 = 3197^2 + 7854^2 .

It is not a de Polignac number, because 71906125 - 2¹³ = 71897933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287500 + ... + 287749.

It is an arithmetic number, because the mean of its divisors is an integer number (11217375).

Almost surely, 2^71906125 is an apocalyptic number.

It is an amenable number.

71906125 is a deficient number, since it is larger than the sum of its proper divisors (17832875).

71906125 is an equidigital number, since it uses as much as digits as its factorization.

71906125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575264 (or 575254 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 71906125 is about 8479.7479325744. The cubic root of 71906125 is about 415.8358823927.

The spelling of 71906125 in words is "seventy-one million, nine hundred six thousand, one hundred twenty-five".