47730545 has 8 divisors (see below), whose sum is σ = 59124480. Its totient is φ = 36952560.

The previous prime is 47730541. The next prime is 47730547. The reversal of 47730545 is 54503774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47730545 - 2² = 47730541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47730541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153815 + ... + 154124.

It is an arithmetic number, because the mean of its divisors is an integer number (7390560).

Almost surely, 2^47730545 is an apocalyptic number.

It is an amenable number.

47730545 is a deficient number, since it is larger than the sum of its proper divisors (11393935).

47730545 is a wasteful number, since it uses less digits than its factorization.

47730545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307975.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 47730545 is about 6908.7296227309. The cubic root of 47730545 is about 362.7427973098.

The spelling of 47730545 in words is "forty-seven million, seven hundred thirty thousand, five hundred forty-five".