478132738 has 16 divisors (see below), whose sum is σ = 735926400. Its totient is φ = 232855056.

The previous prime is 478132709. The next prime is 478132741. The reversal of 478132738 is 837231874.

It is a super-2 number, since 2×478132738² = 457221830294753288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 478132694 and 478132703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23988 + ... + 39136.

It is an arithmetic number, because the mean of its divisors is an integer number (45995400).

Almost surely, 2^478132738 is an apocalyptic number.

478132738 is a deficient number, since it is larger than the sum of its proper divisors (257793662).

478132738 is a wasteful number, since it uses less digits than its factorization.

478132738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15561.

The product of its digits is 225792, while the sum is 43.

The square root of 478132738 is about 21866.2465457609. The cubic root of 478132738 is about 781.9569194592.

The spelling of 478132738 in words is "four hundred seventy-eight million, one hundred thirty-two thousand, seven hundred thirty-eight".