1673335356 has 48 divisors (see below), whose sum is σ = 4867887360. Its totient is φ = 434632320.

The previous prime is 1673335327. The next prime is 1673335357. The reversal of 1673335356 is 6535333761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673335357) 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, 904561 + ... + 906408.

It is an arithmetic number, because the mean of its divisors is an integer number (101414320).

Almost surely, 2^1673335356 is an apocalyptic number.

It is an amenable number.

1673335356 is an abundant number, since it is smaller than the sum of its proper divisors (3194552004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673335356 is a wasteful number, since it uses less digits than its factorization.

1673335356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810994 (or 1810992 counting only the distinct ones).

The product of its digits is 510300, while the sum is 42.

The square root of 1673335356 is about 40906.4219408151. The cubic root of 1673335356 is about 1187.2103182006.

The spelling of 1673335356 in words is "one billion, six hundred seventy-three million, three hundred thirty-five thousand, three hundred fifty-six".