71468545 has 8 divisors (see below), whose sum is σ = 86521896. Its totient is φ = 56668416.

The previous prime is 71468543. The next prime is 71468563. The reversal of 71468545 is 54586417.

It can be written as a sum of positive squares in 4 ways, for example, as 1979649 + 69488896 = 1407^2 + 8336^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 71468545 - 2¹ = 71468543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71468498 and 71468507.

It is not an unprimeable number, because it can be changed into a prime (71468543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62682 + ... + 63811.

It is an arithmetic number, because the mean of its divisors is an integer number (10815237).

Almost surely, 2^71468545 is an apocalyptic number.

It is an amenable number.

71468545 is a deficient number, since it is larger than the sum of its proper divisors (15053351).

71468545 is a wasteful number, since it uses less digits than its factorization.

71468545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126611.

The product of its digits is 134400, while the sum is 40.

The square root of 71468545 is about 8453.9070848928. The cubic root of 71468545 is about 414.9906515531.

The spelling of 71468545 in words is "seventy-one million, four hundred sixty-eight thousand, five hundred forty-five".