71330546 has 16 divisors (see below), whose sum is σ = 126498240. Its totient is φ = 29515920.

The previous prime is 71330513. The next prime is 71330549. The reversal of 71330546 is 64503317.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (71330549) 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, 87440 + ... + 88251.

It is an arithmetic number, because the mean of its divisors is an integer number (7906140).

Almost surely, 2^71330546 is an apocalyptic number.

71330546 is a deficient number, since it is larger than the sum of its proper divisors (55167694).

71330546 is a wasteful number, since it uses less digits than its factorization.

71330546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175729.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 71330546 is about 8445.7412936935. The cubic root of 71330546 is about 414.7233768875.

The spelling of 71330546 in words is "seventy-one million, three hundred thirty thousand, five hundred forty-six".