473640197 has 4 divisors (see below), whose sum is σ = 483717696. Its totient is φ = 463562700.

The previous prime is 473640191. The next prime is 473640199. The reversal of 473640197 is 791046374.

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 a de Polignac number, because none of the positive numbers 2^k-473640197 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 (473640191) 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, 5038679 + ... + 5038772.

It is an arithmetic number, because the mean of its divisors is an integer number (120929424).

Almost surely, 2^473640197 is an apocalyptic number.

473640197 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

473640197 is a deficient number, since it is larger than the sum of its proper divisors (10077499).

473640197 is a wasteful number, since it uses less digits than its factorization.

473640197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077498.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 473640197 is about 21763.2763388236. The cubic root of 473640197 is about 779.5001163693.

The spelling of 473640197 in words is "four hundred seventy-three million, six hundred forty thousand, one hundred ninety-seven".