71450385 has 8 divisors (see below), whose sum is σ = 114320640. Its totient is φ = 38106864.

The previous prime is 71450383. The next prime is 71450389. The reversal of 71450385 is 58305417.

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

It is not a de Polignac number, because 71450385 - 2¹ = 71450383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71450383) 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, 2381665 + ... + 2381694.

It is an arithmetic number, because the mean of its divisors is an integer number (14290080).

Almost surely, 2^71450385 is an apocalyptic number.

It is an amenable number.

71450385 is a deficient number, since it is larger than the sum of its proper divisors (42870255).

71450385 is a wasteful number, since it uses less digits than its factorization.

71450385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763367.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 71450385 is about 8452.8329570624. The cubic root of 71450385 is about 414.9554991718.

The spelling of 71450385 in words is "seventy-one million, four hundred fifty thousand, three hundred eighty-five".