1472367809 has 12 divisors (see below), whose sum is σ = 1619868180. Its totient is φ = 1337292000.

The previous prime is 1472367803. The next prime is 1472367811. The reversal of 1472367809 is 9087632741.

It can be written as a sum of positive squares in 2 ways, for example, as 1436031025 + 36336784 = 37895^2 + 6028^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1472367809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472367803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143759 + ... + 153659.

It is an arithmetic number, because the mean of its divisors is an integer number (134989015).

Almost surely, 2^1472367809 is an apocalyptic number.

It is an amenable number.

1472367809 is a deficient number, since it is larger than the sum of its proper divisors (147500371).

1472367809 is a wasteful number, since it uses less digits than its factorization.

1472367809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152 (or 11141 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1472367809 is about 38371.4452294932. The cubic root of 1472367809 is about 1137.6415304153.

The spelling of 1472367809 in words is "one billion, four hundred seventy-two million, three hundred sixty-seven thousand, eight hundred nine".