47730001 has 4 divisors (see below), whose sum is σ = 52069104. Its totient is φ = 43390900.

The previous prime is 47729953. The next prime is 47730031. The reversal of 47730001 is 10003774.

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 a cyclic number.

It is not a de Polignac number, because 47730001 - 2¹⁹ = 47205713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47730031) 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, 2169535 + ... + 2169556.

It is an arithmetic number, because the mean of its divisors is an integer number (13017276).

Almost surely, 2^47730001 is an apocalyptic number.

It is an amenable number.

47730001 is a deficient number, since it is larger than the sum of its proper divisors (4339103).

47730001 is a wasteful number, since it uses less digits than its factorization.

47730001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339102.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 47730001 is about 6908.6902521390. The cubic root of 47730001 is about 362.7414192068.

Adding to 47730001 its reverse (10003774), we get a palindrome (57733775).

The spelling of 47730001 in words is "forty-seven million, seven hundred thirty thousand, one".