71432470 has 16 divisors (see below), whose sum is σ = 136142208. Its totient is φ = 26892160.

The previous prime is 71432467. The next prime is 71432477. The reversal of 71432470 is 7423417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71432477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209926 + ... + 210265.

It is an arithmetic number, because the mean of its divisors is an integer number (8508888).

Almost surely, 2^71432470 is an apocalyptic number.

71432470 is a deficient number, since it is larger than the sum of its proper divisors (64709738).

71432470 is a wasteful number, since it uses less digits than its factorization.

71432470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420215.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 71432470 is about 8451.7731867342. The cubic root of 71432470 is about 414.9208152012.

Adding to 71432470 its reverse (7423417), we get a palindrome (78855887).

The spelling of 71432470 in words is "seventy-one million, four hundred thirty-two thousand, four hundred seventy".