47531566746 has 40 divisors (see below), whose sum is σ = 109103638644. Its totient is φ = 15457417920.

The previous prime is 47531566727. The next prime is 47531566751. The reversal of 47531566746 is 64766513574.

47531566746 is a `hidden beast` number, since 4 + 7 + 5 + 3 + 1 + 566 + 74 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43488514521 + 4043052225 = 208539^2 + 63585^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 47531566692 and 47531566701.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3571465 + ... + 3584748.

Almost surely, 2^47531566746 is an apocalyptic number.

47531566746 is an abundant number, since it is smaller than the sum of its proper divisors (61572071898).

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

47531566746 is a wasteful number, since it uses less digits than its factorization.

47531566746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156268 (or 7156259 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 47531566746 in words is "forty-seven billion, five hundred thirty-one million, five hundred sixty-six thousand, seven hundred forty-six".