1478456742 has 32 divisors (see below), whose sum is σ = 3380477184. Its totient is φ = 422272800.

The previous prime is 1478456741. The next prime is 1478456779. The reversal of 1478456742 is 2476548741.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1478456691 and 1478456700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478456741) 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 15 ways as a sum of consecutive naturals, for example, 217617 + ... + 224307.

It is an arithmetic number, because the mean of its divisors is an integer number (105639912).

Almost surely, 2^1478456742 is an apocalyptic number.

1478456742 is an abundant number, since it is smaller than the sum of its proper divisors (1902020442).

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

1478456742 is a wasteful number, since it uses less digits than its factorization.

1478456742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964.

The product of its digits is 1505280, while the sum is 48.

The square root of 1478456742 is about 38450.7053511376. The cubic root of 1478456742 is about 1139.2076010806.

The spelling of 1478456742 in words is "one billion, four hundred seventy-eight million, four hundred fifty-six thousand, seven hundred forty-two".