52730473 has 4 divisors (see below), whose sum is σ = 54431488. Its totient is φ = 51029460.

The previous prime is 52730449. The next prime is 52730477. The reversal of 52730473 is 37403725.

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 52730473 - 2⁵ = 52730441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1700983 = 52730473 / (5 + 2 + 7 + 3 + 0 + 4 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52730477) 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, 850461 + ... + 850522.

It is an arithmetic number, because the mean of its divisors is an integer number (13607872).

Almost surely, 2^52730473 is an apocalyptic number.

It is an amenable number.

52730473 is a deficient number, since it is larger than the sum of its proper divisors (1701015).

52730473 is a wasteful number, since it uses less digits than its factorization.

52730473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701014.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 52730473 is about 7261.5751046175. The cubic root of 52730473 is about 374.9907505867.

The spelling of 52730473 in words is "fifty-two million, seven hundred thirty thousand, four hundred seventy-three".