71322825 has 48 divisors (see below), whose sum is σ = 136685696. Its totient is φ = 32140800.

The previous prime is 71322817. The next prime is 71322833. The reversal of 71322825 is 52822317.

It is an interprime number because it is at equal distance from previous prime (71322817) and next prime (71322833).

It is not a de Polignac number, because 71322825 - 2³ = 71322817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71322792 and 71322801.

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, 37395 + ... + 39255.

Almost surely, 2^71322825 is an apocalyptic number.

71322825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71322825 is a deficient number, since it is larger than the sum of its proper divisors (65362871).

71322825 is a wasteful number, since it uses less digits than its factorization.

71322825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1949 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 71322825 is about 8445.2841870478. The cubic root of 71322825 is about 414.7084127760.

The spelling of 71322825 in words is "seventy-one million, three hundred twenty-two thousand, eight hundred twenty-five".