1478734089 has 16 divisors (see below), whose sum is σ = 2254009728. Its totient is φ = 844728192.

The previous prime is 1478734039. The next prime is 1478734129. The reversal of 1478734089 is 9804378741.

It is not a de Polignac number, because 1478734089 - 2¹⁶ = 1478668553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478734039) 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, 73269 + ... + 91245.

It is an arithmetic number, because the mean of its divisors is an integer number (140875608).

Almost surely, 2^1478734089 is an apocalyptic number.

It is an amenable number.

1478734089 is a deficient number, since it is larger than the sum of its proper divisors (775275639).

1478734089 is a wasteful number, since it uses less digits than its factorization.

1478734089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21904.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 1478734089 is about 38454.3117088318. The cubic root of 1478734089 is about 1139.2788321255.

The spelling of 1478734089 in words is "one billion, four hundred seventy-eight million, seven hundred thirty-four thousand, eighty-nine".