71352500 has 30 divisors (see below), whose sum is σ = 156039114. Its totient is φ = 28540000.

The previous prime is 71352487. The next prime is 71352503. The reversal of 71352500 is 525317.

It can be written as a sum of positive squares in 5 ways, for example, as 37503376 + 33849124 = 6124^2 + 5818^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71352503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11771 + ... + 16770.

Almost surely, 2^71352500 is an apocalyptic number.

It is an amenable number.

71352500 is an abundant number, since it is smaller than the sum of its proper divisors (84686614).

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

71352500 is a wasteful number, since it uses less digits than its factorization.

71352500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28565 (or 28548 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 71352500 is about 8447.0409019964. The cubic root of 71352500 is about 414.7659201530.

Adding to 71352500 its reverse (525317), we get a palindrome (71877817).

The spelling of 71352500 in words is "seventy-one million, three hundred fifty-two thousand, five hundred".