475140307 has 4 divisors (see below), whose sum is σ = 481832496. Its totient is φ = 468448120.

The previous prime is 475140299. The next prime is 475140313. The reversal of 475140307 is 703041574.

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 475140307 - 2³ = 475140299 is a prime.

It is a super-2 number, since 2×475140307² = 451516622672108498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475140377) 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, 3345988 + ... + 3346129.

It is an arithmetic number, because the mean of its divisors is an integer number (120458124).

Almost surely, 2^475140307 is an apocalyptic number.

475140307 is a deficient number, since it is larger than the sum of its proper divisors (6692189).

475140307 is an equidigital number, since it uses as much as digits as its factorization.

475140307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692188.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 475140307 is about 21797.7133433762. The cubic root of 475140307 is about 780.3221915720.

The spelling of 475140307 in words is "four hundred seventy-five million, one hundred forty thousand, three hundred seven".