71460720 has 60 divisors (see below), whose sum is σ = 239991336. Its totient is φ = 19056000.

The previous prime is 71460713. The next prime is 71460721. The reversal of 71460720 is 2706417.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71460721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 48906 + ... + 50345.

Almost surely, 2^71460720 is an apocalyptic number.

It is an amenable number.

71460720 is an abundant number, since it is smaller than the sum of its proper divisors (168530616).

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

71460720 is a wasteful number, since it uses less digits than its factorization.

71460720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99270 (or 99261 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 71460720 is about 8453.4442684624. Note that the first 3 decimals coincide. The cubic root of 71460720 is about 414.9755054009.

The spelling of 71460720 in words is "seventy-one million, four hundred sixty thousand, seven hundred twenty".