71457303 has 8 divisors (see below), whose sum is σ = 97074288. Its totient is φ = 46739264.

The previous prime is 71457293. The next prime is 71457349. The reversal of 71457303 is 30375417.

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-71457303 is a prime.

It is a super-2 number, since 2×71457303² = 10212292304067618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71457403) 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 7 ways as a sum of consecutive naturals, for example, 224550 + ... + 224867.

It is an arithmetic number, because the mean of its divisors is an integer number (12134286).

Almost surely, 2^71457303 is an apocalyptic number.

71457303 is a deficient number, since it is larger than the sum of its proper divisors (25616985).

71457303 is a wasteful number, since it uses less digits than its factorization.

71457303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449473.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 71457303 is about 8453.2421590772. The cubic root of 71457303 is about 414.9688910730.

The spelling of 71457303 in words is "seventy-one million, four hundred fifty-seven thousand, three hundred three".