71540270 has 8 divisors (see below), whose sum is σ = 128772504. Its totient is φ = 28616104.

The previous prime is 71540237. The next prime is 71540299. The reversal of 71540270 is 7204517.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3577004 + ... + 3577023.

It is an arithmetic number, because the mean of its divisors is an integer number (16096563).

Almost surely, 2^71540270 is an apocalyptic number.

71540270 is a deficient number, since it is larger than the sum of its proper divisors (57232234).

71540270 is a wasteful number, since it uses less digits than its factorization.

71540270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154034.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 71540270 is about 8458.1481424718. The cubic root of 71540270 is about 415.1294317334.

Adding to 71540270 its reverse (7204517), we get a palindrome (78744787).

The spelling of 71540270 in words is "seventy-one million, five hundred forty thousand, two hundred seventy".