71472008421 has 32 divisors (see below), whose sum is σ = 120532515840. Its totient is φ = 41433044400.

The previous prime is 71472008417. The next prime is 71472008449. The reversal of 71472008421 is 12480027417.

It is not a de Polignac number, because 71472008421 - 2² = 71472008417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71472007421) 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 31 ways as a sum of consecutive naturals, for example, 5224615 + ... + 5238276.

It is an arithmetic number, because the mean of its divisors is an integer number (3766641120).

Almost surely, 2^71472008421 is an apocalyptic number.

It is an amenable number.

71472008421 is a deficient number, since it is larger than the sum of its proper divisors (49060507419).

71472008421 is a wasteful number, since it uses less digits than its factorization.

71472008421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462934 (or 10462928 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 71472008421 in words is "seventy-one billion, four hundred seventy-two million, eight thousand, four hundred twenty-one".