71048297472 has 352 divisors, whose sum is σ = 208879679232. Its totient is φ = 21377581056.

The previous prime is 71048297471. The next prime is 71048297473. The reversal of 71048297472 is 27479284017.

It is an interprime number because it is at equal distance from previous prime (71048297471) and next prime (71048297473).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71048297471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160379683 + ... + 160380125.

Almost surely, 2^71048297472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71048297472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104439839616).

71048297472 is an abundant number, since it is smaller than the sum of its proper divisors (137831381760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71048297472 is a wasteful number, since it uses less digits than its factorization.

71048297472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 71048297472 in words is "seventy-one billion, forty-eight million, two hundred ninety-seven thousand, four hundred seventy-two".