47730455 has 4 divisors (see below), whose sum is σ = 57276552. Its totient is φ = 38184360.

The previous prime is 47730443. The next prime is 47730467. The reversal of 47730455 is 55403774.

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

It is an interprime number because it is at equal distance from previous prime (47730443) and next prime (47730467).

It is not a de Polignac number, because 47730455 - 2⁴ = 47730439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4773041 + ... + 4773050.

It is an arithmetic number, because the mean of its divisors is an integer number (14319138).

Almost surely, 2^47730455 is an apocalyptic number.

47730455 is a deficient number, since it is larger than the sum of its proper divisors (9546097).

47730455 is an equidigital number, since it uses as much as digits as its factorization.

47730455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546096.

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

The square root of 47730455 is about 6908.7231092294. The cubic root of 47730455 is about 362.7425693156.

The spelling of 47730455 in words is "forty-seven million, seven hundred thirty thousand, four hundred fifty-five".