71950925 has 6 divisors (see below), whose sum is σ = 89219178. Its totient is φ = 57560720.

The previous prime is 71950897. The next prime is 71950927. The reversal of 71950925 is 52905917.

It can be written as a sum of positive squares in 3 ways, for example, as 362404 + 71588521 = 602^2 + 8461^2 .

It is not a de Polignac number, because 71950925 - 2⁶ = 71950861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71950927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1438994 + ... + 1439043.

It is an arithmetic number, because the mean of its divisors is an integer number (14869863).

Almost surely, 2^71950925 is an apocalyptic number.

It is an amenable number.

71950925 is a deficient number, since it is larger than the sum of its proper divisors (17268253).

71950925 is a wasteful number, since it uses less digits than its factorization.

71950925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878047 (or 2878042 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 71950925 is about 8482.3891092074. The cubic root of 71950925 is about 415.9222245040.

The spelling of 71950925 in words is "seventy-one million, nine hundred fifty thousand, nine hundred twenty-five".