71463760 has 40 divisors (see below), whose sum is σ = 173381760. Its totient is φ = 27341952.

The previous prime is 71463739. The next prime is 71463793. The reversal of 71463760 is 6736417.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17580 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (4334544).

Almost surely, 2^71463760 is an apocalyptic number.

It is an amenable number.

71463760 is an abundant number, since it is smaller than the sum of its proper divisors (101918000).

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

71463760 is a wasteful number, since it uses less digits than its factorization.

71463760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38875 (or 38869 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 71463760 is about 8453.6240749160. The cubic root of 71463760 is about 414.9813897882.

The spelling of 71463760 in words is "seventy-one million, four hundred sixty-three thousand, seven hundred sixty".