506730407 has 8 divisors (see below), whose sum is σ = 537528816. Its totient is φ = 476042112.

The previous prime is 506730397. The next prime is 506730421. The reversal of 506730407 is 704037605.

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

It is a cyclic number.

It is not a de Polignac number, because 506730407 - 2²² = 502536103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506730487) 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, 17948 + ... + 36545.

It is an arithmetic number, because the mean of its divisors is an integer number (67191102).

Almost surely, 2^506730407 is an apocalyptic number.

506730407 is a deficient number, since it is larger than the sum of its proper divisors (30798409).

506730407 is a wasteful number, since it uses less digits than its factorization.

506730407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55057.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 506730407 is about 22510.6731796275. The cubic root of 506730407 is about 797.2459502043.

The spelling of 506730407 in words is "five hundred six million, seven hundred thirty thousand, four hundred seven".