47211764 has 24 divisors (see below), whose sum is σ = 86153760. Its totient is φ = 22617504.

The previous prime is 47211701. The next prime is 47211793. The reversal of 47211764 is 46711274.

It is a self number, because there is not a number n which added to its sum of digits gives 47211764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6527 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (3589740).

Almost surely, 2^47211764 is an apocalyptic number.

It is an amenable number.

47211764 is a deficient number, since it is larger than the sum of its proper divisors (38941996).

47211764 is a wasteful number, since it uses less digits than its factorization.

47211764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5277 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 47211764 is about 6871.0817197876. The cubic root of 47211764 is about 361.4237956382.

The spelling of 47211764 in words is "forty-seven million, two hundred eleven thousand, seven hundred sixty-four".