71514529 has 4 divisors (see below), whose sum is σ = 75721284. Its totient is φ = 67307776.

The previous prime is 71514503. The next prime is 71514533. The reversal of 71514529 is 92541517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92541517 = 239 ⋅387203.

It can be written as a sum of positive squares in 2 ways, for example, as 48330304 + 23184225 = 6952^2 + 4815^2 .

It is a cyclic number.

It is not a de Polignac number, because 71514529 - 2⁹ = 71514017 is a prime.

It is a super-2 number, since 2×71514529² = 10228655716183682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71514494 and 71514503.

It is not an unprimeable number, because it can be changed into a prime (71514329) 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 3 ways as a sum of consecutive naturals, for example, 2103352 + ... + 2103385.

It is an arithmetic number, because the mean of its divisors is an integer number (18930321).

Almost surely, 2^71514529 is an apocalyptic number.

It is an amenable number.

71514529 is a deficient number, since it is larger than the sum of its proper divisors (4206755).

71514529 is a wasteful number, since it uses less digits than its factorization.

71514529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206754.

The product of its digits is 12600, while the sum is 34.

The square root of 71514529 is about 8456.6263367847. The cubic root of 71514529 is about 415.0796363357.

The spelling of 71514529 in words is "seventy-one million, five hundred fourteen thousand, five hundred twenty-nine".