47273133520 has 80 divisors (see below), whose sum is σ = 116415115920. Its totient is φ = 17790861312.

The previous prime is 47273133499. The next prime is 47273133541. The reversal of 47273133520 is 2533137274.

It is an interprime number because it is at equal distance from previous prime (47273133499) and next prime (47273133541).

It can be written as a sum of positive squares in 8 ways, for example, as 497825344 + 46775308176 = 22312^2 + 216276^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 47273133520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7080904 + ... + 7087576.

It is an arithmetic number, because the mean of its divisors is an integer number (1455188949).

Almost surely, 2^47273133520 is an apocalyptic number.

47273133520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47273133520 is an abundant number, since it is smaller than the sum of its proper divisors (69141982400).

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

47273133520 is a wasteful number, since it uses less digits than its factorization.

47273133520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11912 (or 11906 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 47273133520 in words is "forty-seven billion, two hundred seventy-three million, one hundred thirty-three thousand, five hundred twenty".