71456532 has 24 divisors (see below), whose sum is σ = 190550976. Its totient is φ = 20416128.

The previous prime is 71456531. The next prime is 71456533. The reversal of 71456532 is 23565417.

It is an interprime number because it is at equal distance from previous prime (71456531) and next prime (71456533).

It is a junction number, because it is equal to n+sod(n) for n = 71456493 and 71456502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71456531) 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, 425253 + ... + 425420.

It is an arithmetic number, because the mean of its divisors is an integer number (7939624).

Almost surely, 2^71456532 is an apocalyptic number.

It is an amenable number.

71456532 is an abundant number, since it is smaller than the sum of its proper divisors (119094444).

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

71456532 is a wasteful number, since it uses less digits than its factorization.

71456532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850687 (or 850685 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 71456532 is about 8453.1965551500. The cubic root of 71456532 is about 414.9673986099.

The spelling of 71456532 in words is "seventy-one million, four hundred fifty-six thousand, five hundred thirty-two".