47102000 has 80 divisors (see below), whose sum is σ = 124304544. Its totient is φ = 17120000.

The previous prime is 47101993. The next prime is 47102023. The reversal of 47102000 is 20174.

It is a happy number.

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

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, 20930 + ... + 23070.

Almost surely, 2^47102000 is an apocalyptic number.

47102000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62152272).

47102000 is an abundant number, since it is smaller than the sum of its proper divisors (77202544).

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

47102000 is a wasteful number, since it uses less digits than its factorization.

47102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 47102000 is about 6863.0896832258. The cubic root of 47102000 is about 361.1434834007.

Adding to 47102000 its reverse (20174), we get a palindrome (47122174).

The spelling of 47102000 in words is "forty-seven million, one hundred two thousand".