47224764 has 18 divisors (see below), whose sum is σ = 119373800. Its totient is φ = 15741576.

The previous prime is 47224757. The next prime is 47224781. The reversal of 47224764 is 46742274.

It is a happy number.

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

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1311799 = 47224764 / (4 + 7 + 2 + 2 + 4 + 7 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655864 + ... + 655935.

Almost surely, 2^47224764 is an apocalyptic number.

It is an amenable number.

47224764 is an abundant number, since it is smaller than the sum of its proper divisors (72149036).

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

47224764 is a wasteful number, since it uses less digits than its factorization.

47224764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311809 (or 1311804 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 47224764 is about 6872.0276483728. The cubic root of 47224764 is about 361.4569658890.

The spelling of 47224764 in words is "forty-seven million, two hundred twenty-four thousand, seven hundred sixty-four".