71310470 has 64 divisors (see below), whose sum is σ = 164422656. Its totient is φ = 21617280.

The previous prime is 71310467. The next prime is 71310487. The reversal of 71310470 is 7401317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27239 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (2569104).

Almost surely, 2^71310470 is an apocalyptic number.

71310470 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71310470 is an abundant number, since it is smaller than the sum of its proper divisors (93112186).

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

71310470 is a wasteful number, since it uses less digits than its factorization.

71310470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 71310470 is about 8444.5526820549. The cubic root of 71310470 is about 414.6844652373.

Adding to 71310470 its reverse (7401317), we get a palindrome (78711787).

The spelling of 71310470 in words is "seventy-one million, three hundred ten thousand, four hundred seventy".