47869573 has 2 divisors, whose sum is σ = 47869574. Its totient is φ = 47869572.

The previous prime is 47869561. The next prime is 47869579. The reversal of 47869573 is 37596874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27646564 + 20223009 = 5258^2 + 4497^2 .

It is a cyclic number.

It is not a de Polignac number, because 47869573 - 2⁵ = 47869541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47869579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23934786 + 23934787.

It is an arithmetic number, because the mean of its divisors is an integer number (23934787).

Almost surely, 2^47869573 is an apocalyptic number.

It is an amenable number.

47869573 is a deficient number, since it is larger than the sum of its proper divisors (1).

47869573 is an equidigital number, since it uses as much as digits as its factorization.

47869573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 47869573 is about 6918.7840694735. The cubic root of 47869573 is about 363.0946511015.

It can be divided in two parts, 4786 and 9573, that multiplied together give a triangular number (45816378 = T₉₅₇₂).

The spelling of 47869573 in words is "forty-seven million, eight hundred sixty-nine thousand, five hundred seventy-three".