47173086 has 24 divisors (see below), whose sum is σ = 107588520. Its totient is φ = 14896656.

The previous prime is 47173057. The next prime is 47173109. The reversal of 47173086 is 68037174.

It is a self number, because there is not a number n which added to its sum of digits gives 47173086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68625 + ... + 69308.

It is an arithmetic number, because the mean of its divisors is an integer number (4482855).

Almost surely, 2^47173086 is an apocalyptic number.

47173086 is an abundant number, since it is smaller than the sum of its proper divisors (60415434).

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

47173086 is a wasteful number, since it uses less digits than its factorization.

47173086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137960 (or 137957 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47173086 is about 6868.2665935445. The cubic root of 47173086 is about 361.3250704649.

The spelling of 47173086 in words is "forty-seven million, one hundred seventy-three thousand, eighty-six".