71270470 has 16 divisors (see below), whose sum is σ = 128388960. Its totient is φ = 28485504.

The previous prime is 71270467. The next prime is 71270483. The reversal of 71270470 is 7407217.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16894 + ... + 20686.

It is an arithmetic number, because the mean of its divisors is an integer number (8024310).

Almost surely, 2^71270470 is an apocalyptic number.

71270470 is a deficient number, since it is larger than the sum of its proper divisors (57118490).

71270470 is a wasteful number, since it uses less digits than its factorization.

71270470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 71270470 is about 8442.1839591423. The cubic root of 71270470 is about 414.6069147691.

Adding to 71270470 its reverse (7407217), we get a palindrome (78677687).

The spelling of 71270470 in words is "seventy-one million, two hundred seventy thousand, four hundred seventy".