71740400 has 30 divisors (see below), whose sum is σ = 172357272. Its totient is φ = 28696000.

The previous prime is 71740379. The next prime is 71740439. The reversal of 71740400 is 404717.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 89276 + ... + 90075.

Almost surely, 2^71740400 is an apocalyptic number.

It is an amenable number.

71740400 is an abundant number, since it is smaller than the sum of its proper divisors (100616872).

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

71740400 is a wasteful number, since it uses less digits than its factorization.

71740400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179369 (or 179358 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 71740400 is about 8469.9704840100. The cubic root of 71740400 is about 415.5161719703.

The spelling of 71740400 in words is "seventy-one million, seven hundred forty thousand, four hundred".