478641702 has 144 divisors (see below), whose sum is σ = 1259731008. Its totient is φ = 119861280.

The previous prime is 478641701. The next prime is 478641719. The reversal of 478641702 is 207146874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478641701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7143873 + ... + 7143939.

It is an arithmetic number, because the mean of its divisors is an integer number (8748132).

Almost surely, 2^478641702 is an apocalyptic number.

478641702 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 478641702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629865504).

478641702 is an abundant number, since it is smaller than the sum of its proper divisors (781089306).

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

478641702 is a wasteful number, since it uses less digits than its factorization.

478641702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 478641702 is about 21877.8815702069. The cubic root of 478641702 is about 782.2342809227.

The spelling of 478641702 in words is "four hundred seventy-eight million, six hundred forty-one thousand, seven hundred two".