71268500 has 24 divisors (see below), whose sum is σ = 155651496. Its totient is φ = 28507200.

The previous prime is 71268469. The next prime is 71268521. The reversal of 71268500 is 586217.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 68128516 = 1772^2 + 8254^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70769 + ... + 71768.

It is an arithmetic number, because the mean of its divisors is an integer number (6485479).

Almost surely, 2^71268500 is an apocalyptic number.

It is an amenable number.

71268500 is an abundant number, since it is smaller than the sum of its proper divisors (84382996).

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

71268500 is a wasteful number, since it uses less digits than its factorization.

71268500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142556 (or 142544 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71268500 is about 8442.0672823663. The cubic root of 71268500 is about 414.6030946589.

The spelling of 71268500 in words is "seventy-one million, two hundred sixty-eight thousand, five hundred".