47213628 has 96 divisors (see below), whose sum is σ = 141163008. Its totient is φ = 11923200.

The previous prime is 47213609. The next prime is 47213659. The reversal of 47213628 is 82631274.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33498 + ... + 34878.

It is an arithmetic number, because the mean of its divisors is an integer number (1470448).

Almost surely, 2^47213628 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 47213628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70581504).

47213628 is an abundant number, since it is smaller than the sum of its proper divisors (93949380).

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

47213628 is a wasteful number, since it uses less digits than its factorization.

47213628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 47213628 is about 6871.2173593913. The cubic root of 47213628 is about 361.4285521158.

The spelling of 47213628 in words is "forty-seven million, two hundred thirteen thousand, six hundred twenty-eight".