47523090 has 16 divisors (see below), whose sum is σ = 114055488. Its totient is φ = 12672816.

The previous prime is 47523089. The next prime is 47523097. The reversal of 47523090 is 9032574.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1584103 = 47523090 / (4 + 7 + 5 + 2 + 3 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (47523097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792022 + ... + 792081.

It is an arithmetic number, because the mean of its divisors is an integer number (7128468).

Almost surely, 2^47523090 is an apocalyptic number.

47523090 is an abundant number, since it is smaller than the sum of its proper divisors (66532398).

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

47523090 is a wasteful number, since it uses less digits than its factorization.

47523090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584113.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 47523090 is about 6893.6992971843. The cubic root of 47523090 is about 362.2164949406.

The spelling of 47523090 in words is "forty-seven million, five hundred twenty-three thousand, ninety".