1478684425 has 24 divisors (see below), whose sum is σ = 1865505600. Its totient is φ = 1162497600.

The previous prime is 1478684419. The next prime is 1478684479. The reversal of 1478684425 is 5244868741.

It is a happy number.

It is not a de Polignac number, because 1478684425 - 2¹⁷ = 1478553353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411135 + ... + 414715.

It is an arithmetic number, because the mean of its divisors is an integer number (77729400).

Almost surely, 2^1478684425 is an apocalyptic number.

It is an amenable number.

1478684425 is a deficient number, since it is larger than the sum of its proper divisors (386821175).

1478684425 is a wasteful number, since it uses less digits than its factorization.

1478684425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873 (or 3868 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 1478684425 is about 38453.6659500756. The cubic root of 1478684425 is about 1139.2660775724.

The spelling of 1478684425 in words is "one billion, four hundred seventy-eight million, six hundred eighty-four thousand, four hundred twenty-five".