47091534 has 96 divisors (see below), whose sum is σ = 119093760. Its totient is φ = 12122880.

The previous prime is 47091529. The next prime is 47091589. The reversal of 47091534 is 43519074.

It is a super-3 number, since 3×47091534³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47091495 and 47091504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1148554 + ... + 1148594.

It is an arithmetic number, because the mean of its divisors is an integer number (1240560).

Almost surely, 2^47091534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47091534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59546880).

47091534 is an abundant number, since it is smaller than the sum of its proper divisors (72002226).

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

47091534 is a wasteful number, since it uses less digits than its factorization.

47091534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 47091534 is about 6862.3271562933. The cubic root of 47091534 is about 361.1167328899.

The spelling of 47091534 in words is "forty-seven million, ninety-one thousand, five hundred thirty-four".