71432160 has 48 divisors (see below), whose sum is σ = 225012816. Its totient is φ = 19048448.

The previous prime is 71432131. The next prime is 71432173. The reversal of 71432160 is 6123417.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 71432160.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73929 + ... + 74888.

It is an arithmetic number, because the mean of its divisors is an integer number (4687767).

Almost surely, 2^71432160 is an apocalyptic number.

It is an amenable number.

71432160 is an abundant number, since it is smaller than the sum of its proper divisors (153580656).

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

71432160 is a wasteful number, since it uses less digits than its factorization.

71432160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148835 (or 148827 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 71432160 is about 8451.7548473675. The cubic root of 71432160 is about 414.9202149809.

Adding to 71432160 its reverse (6123417), we get a palindrome (77555577).

The spelling of 71432160 in words is "seventy-one million, four hundred thirty-two thousand, one hundred sixty".