71540603 has 8 divisors (see below), whose sum is σ = 75492000. Its totient is φ = 67659328.

The previous prime is 71540563. The next prime is 71540611. The reversal of 71540603 is 30604517.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71540603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71543603) 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, 15428 + ... + 19521.

It is an arithmetic number, because the mean of its divisors is an integer number (9436500).

Almost surely, 2^71540603 is an apocalyptic number.

71540603 is a deficient number, since it is larger than the sum of its proper divisors (3951397).

71540603 is a wasteful number, since it uses less digits than its factorization.

71540603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35061.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 71540603 is about 8458.1678276090. The cubic root of 71540603 is about 415.1300758363.

The spelling of 71540603 in words is "seventy-one million, five hundred forty thousand, six hundred three".