71322025 has 12 divisors (see below), whose sum is σ = 88567372. Its totient is φ = 56975040.

The previous prime is 71322007. The next prime is 71322061. The reversal of 71322025 is 52022317.

It can be written as a sum of positive squares in 6 ways, for example, as 11042329 + 60279696 = 3323^2 + 7764^2 .

It is not a de Polignac number, because 71322025 - 2²¹ = 69224873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71321987 and 71322005.

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, 20299 + ... + 23551.

Almost surely, 2^71322025 is an apocalyptic number.

It is an amenable number.

71322025 is a deficient number, since it is larger than the sum of its proper divisors (17245347).

71322025 is a wasteful number, since it uses less digits than its factorization.

71322025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140 (or 4135 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 71322025 is about 8445.2368232040. The cubic root of 71322025 is about 414.7068622299.

The spelling of 71322025 in words is "seventy-one million, three hundred twenty-two thousand, twenty-five".