71054090 has 16 divisors (see below), whose sum is σ = 127999872. Its totient is φ = 28398864.

The previous prime is 71054069. The next prime is 71054117. The reversal of 71054090 is 9045017.

It is an unprimeable number.

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, 16547 + ... + 20393.

It is an arithmetic number, because the mean of its divisors is an integer number (7999992).

Almost surely, 2^71054090 is an apocalyptic number.

71054090 is a deficient number, since it is larger than the sum of its proper divisors (56945782).

71054090 is a wasteful number, since it uses less digits than its factorization.

71054090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 71054090 is about 8429.3588131008. The cubic root of 71054090 is about 414.1869016928.

The spelling of 71054090 in words is "seventy-one million, fifty-four thousand, ninety".