71542003 has 8 divisors (see below), whose sum is σ = 77212800. Its totient is φ = 65895168.

The previous prime is 71541989. The next prime is 71542063. The reversal of 71542003 is 30024517.

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-71542003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71542063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 483 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (9651600).

Almost surely, 2^71542003 is an apocalyptic number.

71542003 is a deficient number, since it is larger than the sum of its proper divisors (5670797).

71542003 is a wasteful number, since it uses less digits than its factorization.

71542003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11981.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 71542003 is about 8458.2505874442. The cubic root of 71542003 is about 415.1327837546.

The spelling of 71542003 in words is "seventy-one million, five hundred forty-two thousand, three".