471391740 has 36 divisors (see below), whose sum is σ = 1429888824. Its totient is φ = 125704416.

The previous prime is 471391727. The next prime is 471391741. The reversal of 471391740 is 47193174.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 471391695 and 471391704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471391741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1309242 + ... + 1309601.

It is an arithmetic number, because the mean of its divisors is an integer number (39719134).

Almost surely, 2^471391740 is an apocalyptic number.

It is an amenable number.

471391740 is an abundant number, since it is smaller than the sum of its proper divisors (958497084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471391740 is a wasteful number, since it uses less digits than its factorization.

471391740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618858 (or 2618853 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 471391740 is about 21711.5577515755. The cubic root of 471391740 is about 778.2646826221.

The spelling of 471391740 in words is "four hundred seventy-one million, three hundred ninety-one thousand, seven hundred forty".