47420589 has 4 divisors (see below), whose sum is σ = 63227456. Its totient is φ = 31613724.

The previous prime is 47420579. The next prime is 47420617. The reversal of 47420589 is 98502474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47420589 - 2⁴ = 47420573 is a prime.

It is a super-2 number, since 2×47420589² = 4497424522213842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47420579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7903429 + ... + 7903434.

It is an arithmetic number, because the mean of its divisors is an integer number (15806864).

Almost surely, 2^47420589 is an apocalyptic number.

It is an amenable number.

47420589 is a deficient number, since it is larger than the sum of its proper divisors (15806867).

47420589 is a wasteful number, since it uses less digits than its factorization.

47420589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806866.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 47420589 is about 6886.2608867222. The cubic root of 47420589 is about 361.9558898463.

The spelling of 47420589 in words is "forty-seven million, four hundred twenty thousand, five hundred eighty-nine".