478307742 has 32 divisors (see below), whose sum is σ = 1077249024. Its totient is φ = 140265600.

The previous prime is 478307741. The next prime is 478307743. The reversal of 478307742 is 247703874.

It is an interprime number because it is at equal distance from previous prime (478307741) and next prime (478307743).

It is a junction number, because it is equal to n+sod(n) for n = 478307694 and 478307703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478307741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114843 + ... + 118934.

It is an arithmetic number, because the mean of its divisors is an integer number (33664032).

Almost surely, 2^478307742 is an apocalyptic number.

478307742 is an abundant number, since it is smaller than the sum of its proper divisors (598941282).

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

478307742 is a wasteful number, since it uses less digits than its factorization.

478307742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233824.

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 478307742 is about 21870.2478723950. The cubic root of 478307742 is about 782.0523106099.

The spelling of 478307742 in words is "four hundred seventy-eight million, three hundred seven thousand, seven hundred forty-two".