71825005 has 32 divisors (see below), whose sum is σ = 101249280. Its totient is φ = 47900160.

The previous prime is 71824993. The next prime is 71825009. The reversal of 71825005 is 50052817.

It is not a de Polignac number, because 71825005 - 2¹⁷ = 71693933 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255465 + ... + 255745.

It is an arithmetic number, because the mean of its divisors is an integer number (3164040).

Almost surely, 2^71825005 is an apocalyptic number.

It is an amenable number.

71825005 is a deficient number, since it is larger than the sum of its proper divisors (29424275).

71825005 is a wasteful number, since it uses less digits than its factorization.

71825005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 71825005 is about 8474.9634217500. The cubic root of 71825005 is about 415.6794501938.

The spelling of 71825005 in words is "seventy-one million, eight hundred twenty-five thousand, five".