47147760 has 120 divisors (see below), whose sum is σ = 172761264. Its totient is φ = 11427840.

The previous prime is 47147743. The next prime is 47147801. The reversal of 47147760 is 6774174.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×47147760² = 4445822546035200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4944 + ... + 10896.

Almost surely, 2^47147760 is an apocalyptic number.

47147760 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 47147760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86380632).

47147760 is an abundant number, since it is smaller than the sum of its proper divisors (125613504).

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

47147760 is a wasteful number, since it uses less digits than its factorization.

47147760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983 (or 5974 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 47147760 is about 6866.4226493859. The cubic root of 47147760 is about 361.2603968863.

The spelling of 47147760 in words is "forty-seven million, one hundred forty-seven thousand, seven hundred sixty".