47945912 has 64 divisors (see below), whose sum is σ = 106488000. Its totient is φ = 20227200.

The previous prime is 47945893. The next prime is 47945923. The reversal of 47945912 is 21954974.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 47945912.

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, 277058 + ... + 277230.

It is an arithmetic number, because the mean of its divisors is an integer number (1663875).

Almost surely, 2^47945912 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 47945912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53244000).

47945912 is an abundant number, since it is smaller than the sum of its proper divisors (58542088).

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

47945912 is a wasteful number, since it uses less digits than its factorization.

47945912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 283 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 47945912 is about 6924.2986648469. The cubic root of 47945912 is about 363.2875611241.

The spelling of 47945912 in words is "forty-seven million, nine hundred forty-five thousand, nine hundred twelve".