1673225864 has 16 divisors (see below), whose sum is σ = 3166082700. Its totient is φ = 828937152.

The previous prime is 1673225863. The next prime is 1673225881. The reversal of 1673225864 is 4685223761.

It can be written as a sum of positive squares in 2 ways, for example, as 1553148100 + 120077764 = 39410^2 + 10958^2 .

It is not an unprimeable number, because it can be changed into a prime (1673225863) 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, 958547 + ... + 960290.

Almost surely, 2^1673225864 is an apocalyptic number.

It is an amenable number.

1673225864 is a deficient number, since it is larger than the sum of its proper divisors (1492856836).

1673225864 is a wasteful number, since it uses less digits than its factorization.

1673225864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918952 (or 1918948 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 1673225864 is about 40905.0835960520. The cubic root of 1673225864 is about 1187.1844232384.

The spelling of 1673225864 in words is "one billion, six hundred seventy-three million, two hundred twenty-five thousand, eight hundred sixty-four".