47730371 has 4 divisors (see below), whose sum is σ = 51401952. Its totient is φ = 44058792.

The previous prime is 47730341. The next prime is 47730377. The reversal of 47730371 is 17303774.

47730371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47730371 - 2⁶ = 47730307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47730377) 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 3 ways as a sum of consecutive naturals, for example, 1835771 + ... + 1835796.

It is an arithmetic number, because the mean of its divisors is an integer number (12850488).

Almost surely, 2^47730371 is an apocalyptic number.

47730371 is a deficient number, since it is larger than the sum of its proper divisors (3671581).

47730371 is a wasteful number, since it uses less digits than its factorization.

47730371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671580.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 47730371 is about 6908.7170299557. The cubic root of 47730371 is about 362.7423565206.

The spelling of 47730371 in words is "forty-seven million, seven hundred thirty thousand, three hundred seventy-one".