47146752 has 144 divisors (see below), whose sum is σ = 147168000. Its totient is φ = 14846976.

The previous prime is 47146747. The next prime is 47146777. The reversal of 47146752 is 25764174.

It is a tau number, because it is divible by the number of its divisors (144).

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 15 ways as a sum of consecutive naturals, for example, 131149 + ... + 131507.

It is an arithmetic number, because the mean of its divisors is an integer number (1022000).

Almost surely, 2^47146752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47146752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73584000).

47146752 is an abundant number, since it is smaller than the sum of its proper divisors (100021248).

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

47146752 is a wasteful number, since it uses less digits than its factorization.

47146752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 383 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 47146752 is about 6866.3492483269. The cubic root of 47146752 is about 361.2578223343.

The spelling of 47146752 in words is "forty-seven million, one hundred forty-six thousand, seven hundred fifty-two".