71825007 has 16 divisors (see below), whose sum is σ = 99665280. Its totient is φ = 45972192.

The previous prime is 71824993. The next prime is 71825009. The reversal of 71825007 is 70052817.

It is a happy number.

It is not a de Polignac number, because 71825007 - 2⁶ = 71824943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71825009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2893 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (6229080).

Almost surely, 2^71825007 is an apocalyptic number.

71825007 is a deficient number, since it is larger than the sum of its proper divisors (27840273).

71825007 is a wasteful number, since it uses less digits than its factorization.

71825007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 71825007 is about 8474.9635397446. The cubic root of 71825007 is about 415.6794540521.

The spelling of 71825007 in words is "seventy-one million, eight hundred twenty-five thousand, seven".