71054012 has 6 divisors (see below), whose sum is σ = 124344528. Its totient is φ = 35527004.

The previous prime is 71054003. The next prime is 71054021. The reversal of 71054012 is 21045017.

It is an interprime number because it is at equal distance from previous prime (71054003) and next prime (71054021).

It is a super-2 number, since 2×71054012² = 10097345242592288, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8881748 + ... + 8881755.

It is an arithmetic number, because the mean of its divisors is an integer number (20724088).

Almost surely, 2^71054012 is an apocalyptic number.

It is an amenable number.

71054012 is a deficient number, since it is larger than the sum of its proper divisors (53290516).

71054012 is a wasteful number, since it uses less digits than its factorization.

71054012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763507 (or 17763505 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 71054012 is about 8429.3541864131. The cubic root of 71054012 is about 414.1867501341.

Adding to 71054012 its reverse (21045017), we get a palindrome (92099029).

The spelling of 71054012 in words is "seventy-one million, fifty-four thousand, twelve".