71470399 has 16 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 51406560.

The previous prime is 71470391. The next prime is 71470411. The reversal of 71470399 is 99307417.

It is a cyclic number.

It is not a de Polignac number, because 71470399 - 2³ = 71470391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71470391) 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 15 ways as a sum of consecutive naturals, for example, 34699 + ... + 36700.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 2^71470399 is an apocalyptic number.

71470399 is a deficient number, since it is larger than the sum of its proper divisors (24491201).

71470399 is a wasteful number, since it uses less digits than its factorization.

71470399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71430.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 71470399 is about 8454.0167376224. The cubic root of 71470399 is about 414.9942400130.

The spelling of 71470399 in words is "seventy-one million, four hundred seventy thousand, three hundred ninety-nine".