71454470 has 32 divisors (see below), whose sum is σ = 130870080. Its totient is φ = 28086400.

The previous prime is 71454413. The next prime is 71454503. The reversal of 71454470 is 7445417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265496 + ... + 265764.

It is an arithmetic number, because the mean of its divisors is an integer number (4089690).

Almost surely, 2^71454470 is an apocalyptic number.

71454470 is a deficient number, since it is larger than the sum of its proper divisors (59415610).

71454470 is a wasteful number, since it uses less digits than its factorization.

71454470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 71454470 is about 8453.0745885743. The cubic root of 71454470 is about 414.9634070411.

Adding to 71454470 its reverse (7445417), we get a palindrome (78899887).

The spelling of 71454470 in words is "seventy-one million, four hundred fifty-four thousand, four hundred seventy".