71057047654 has 8 divisors (see below), whose sum is σ = 106590557088. Its totient is φ = 35526861960.

The previous prime is 71057047631. The next prime is 71057047657. The reversal of 71057047654 is 45674075017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71057047657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 776782 + ... + 863425.

It is an arithmetic number, because the mean of its divisors is an integer number (13323819636).

Almost surely, 2^71057047654 is an apocalyptic number.

71057047654 is a deficient number, since it is larger than the sum of its proper divisors (35533509434).

71057047654 is a wasteful number, since it uses less digits than its factorization.

71057047654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661870.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 71057047654 in words is "seventy-one billion, fifty-seven million, forty-seven thousand, six hundred fifty-four".