47021652 has 18 divisors (see below), whose sum is σ = 118860378. Its totient is φ = 15673872.

The previous prime is 47021651. The next prime is 47021659. The reversal of 47021652 is 25612074.

47021652 is a `hidden beast` number, since 4 + 7 + 0 + 2 + 1 + 652 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46703556 + 318096 = 6834^2 + 564^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×47021652² = 4422071513618208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47021651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 653043 + ... + 653114.

Almost surely, 2^47021652 is an apocalyptic number.

It is an amenable number.

47021652 is an abundant number, since it is smaller than the sum of its proper divisors (71838726).

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

47021652 is a wasteful number, since it uses less digits than its factorization.

47021652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306167 (or 1306162 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 47021652 is about 6857.2335529716. The cubic root of 47021652 is about 360.9380167418.

It can be divided in two parts, 470 and 21652, that added together give a palindrome (22122).

The spelling of 47021652 in words is "forty-seven million, twenty-one thousand, six hundred fifty-two".