71473758552 has 48 divisors (see below), whose sum is σ = 221228301840. Its totient is φ = 20421073728.

The previous prime is 71473758547. The next prime is 71473758553. The reversal of 71473758552 is 25585737417.

71473758552 is a `hidden beast` number, since 7 + 1 + 4 + 7 + 3 + 7 + 585 + 52 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71473758553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70906003 + ... + 70907010.

It is an arithmetic number, because the mean of its divisors is an integer number (4608922955).

Almost surely, 2^71473758552 is an apocalyptic number.

71473758552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71473758552 is an abundant number, since it is smaller than the sum of its proper divisors (149754543288).

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

71473758552 is a wasteful number, since it uses less digits than its factorization.

71473758552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141813032 (or 141813025 counting only the distinct ones).

The product of its digits is 8232000, while the sum is 54.

The spelling of 71473758552 in words is "seventy-one billion, four hundred seventy-three million, seven hundred fifty-eight thousand, five hundred fifty-two".