1472823187 has 4 divisors (see below), whose sum is σ = 1606716216. Its totient is φ = 1338930160.

The previous prime is 1472823179. The next prime is 1472823241. The reversal of 1472823187 is 7813282741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7813282741 = 11 ⋅710298431.

It is a cyclic number.

It is not a de Polignac number, because 1472823187 - 2³ = 1472823179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472823137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66946498 + ... + 66946519.

It is an arithmetic number, because the mean of its divisors is an integer number (401679054).

Almost surely, 2^1472823187 is an apocalyptic number.

1472823187 is a deficient number, since it is larger than the sum of its proper divisors (133893029).

1472823187 is a wasteful number, since it uses less digits than its factorization.

1472823187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133893028.

The product of its digits is 150528, while the sum is 43.

The square root of 1472823187 is about 38377.3785842650. The cubic root of 1472823187 is about 1137.7588026354.

The spelling of 1472823187 in words is "one billion, four hundred seventy-two million, eight hundred twenty-three thousand, one hundred eighty-seven".