71013490 has 16 divisors (see below), whose sum is σ = 129625920. Its totient is φ = 28005040.

The previous prime is 71013479. The next prime is 71013533. The reversal of 71013490 is 9431017.

It is an unprimeable number.

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, 49300 + ... + 50719.

It is an arithmetic number, because the mean of its divisors is an integer number (8101620).

Almost surely, 2^71013490 is an apocalyptic number.

71013490 is a deficient number, since it is larger than the sum of its proper divisors (58612430).

71013490 is a wasteful number, since it uses less digits than its factorization.

71013490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100097.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 71013490 is about 8426.9502193854. The cubic root of 71013490 is about 414.1079984606.

The spelling of 71013490 in words is "seventy-one million, thirteen thousand, four hundred ninety".