71380912 has 10 divisors (see below), whose sum is σ = 138300548. Its totient is φ = 35690448.

The previous prime is 71380873. The next prime is 71380951. The reversal of 71380912 is 21908317.

It is an interprime number because it is at equal distance from previous prime (71380873) and next prime (71380951).

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 as a sum of consecutive naturals, namely, 2230638 + ... + 2230669.

Almost surely, 2^71380912 is an apocalyptic number.

It is an amenable number.

71380912 is a deficient number, since it is larger than the sum of its proper divisors (66919636).

71380912 is a wasteful number, since it uses less digits than its factorization.

71380912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461315 (or 4461309 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 71380912 is about 8448.7225069829. The cubic root of 71380912 is about 414.8209650149.

The spelling of 71380912 in words is "seventy-one million, three hundred eighty thousand, nine hundred twelve".