47202090 has 64 divisors (see below), whose sum is σ = 123088896. Its totient is φ = 11515392.

The previous prime is 47202083. The next prime is 47202091. The reversal of 47202090 is 9020274.

47202090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47202090.

It is not an unprimeable number, because it can be changed into a prime (47202091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49054 + ... + 50006.

It is an arithmetic number, because the mean of its divisors is an integer number (1923264).

Almost surely, 2^47202090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47202090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61544448).

47202090 is an abundant number, since it is smaller than the sum of its proper divisors (75886806).

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

47202090 is a wasteful number, since it uses less digits than its factorization.

47202090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 47202090 is about 6870.3777188740. The cubic root of 47202090 is about 361.3991079168.

The spelling of 47202090 in words is "forty-seven million, two hundred two thousand, ninety".