471737993 has 8 divisors (see below), whose sum is σ = 488822400. Its totient is φ = 454931568.

The previous prime is 471737969. The next prime is 471737999. The reversal of 471737993 is 399737174.

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 471737993 - 2¹⁶ = 471672457 is a prime.

It is a super-4 number, since 4×471737993⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471737999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66038 + ... + 72831.

It is an arithmetic number, because the mean of its divisors is an integer number (61102800).

Almost surely, 2^471737993 is an apocalyptic number.

471737993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

471737993 is a deficient number, since it is larger than the sum of its proper divisors (17084407).

471737993 is a wasteful number, since it uses less digits than its factorization.

471737993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138991.

The product of its digits is 1000188, while the sum is 50.

The square root of 471737993 is about 21719.5302205181. The cubic root of 471737993 is about 778.4551897986.

The spelling of 471737993 in words is "four hundred seventy-one million, seven hundred thirty-seven thousand, nine hundred ninety-three".