47220765 has 8 divisors (see below), whose sum is σ = 75553248. Its totient is φ = 25184400.

The previous prime is 47220763. The next prime is 47220773. The reversal of 47220765 is 56702274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47220765 - 2¹ = 47220763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47220763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574011 + ... + 1574040.

It is an arithmetic number, because the mean of its divisors is an integer number (9444156).

Almost surely, 2^47220765 is an apocalyptic number.

It is an amenable number.

47220765 is a deficient number, since it is larger than the sum of its proper divisors (28332483).

47220765 is a wasteful number, since it uses less digits than its factorization.

47220765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148059.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 47220765 is about 6871.7366800540. The cubic root of 47220765 is about 361.4467628579.

The spelling of 47220765 in words is "forty-seven million, two hundred twenty thousand, seven hundred sixty-five".