71002452 has 12 divisors (see below), whose sum is σ = 165672416. Its totient is φ = 23667480.

The previous prime is 71002441. The next prime is 71002453. The reversal of 71002452 is 25420017.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71002453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2958424 + ... + 2958447.

Almost surely, 2^71002452 is an apocalyptic number.

It is an amenable number.

71002452 is an abundant number, since it is smaller than the sum of its proper divisors (94669964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71002452 is a wasteful number, since it uses less digits than its factorization.

71002452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916878 (or 5916876 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 71002452 is about 8426.2952713515. The cubic root of 71002452 is about 414.0865416879.

Adding to 71002452 its reverse (25420017), we get a palindrome (96422469).

The spelling of 71002452 in words is "seventy-one million, two thousand, four hundred fifty-two".