1673503568 has 40 divisors (see below), whose sum is σ = 3566456256. Its totient is φ = 760673760.

The previous prime is 1673503561. The next prime is 1673503577. The reversal of 1673503568 is 8653053761.

It is a super-2 number, since 2×1673503568² = 5601228384217461248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673503561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17996 + ... + 60587.

Almost surely, 2^1673503568 is an apocalyptic number.

It is an amenable number.

1673503568 is an abundant number, since it is smaller than the sum of its proper divisors (1892952688).

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

1673503568 is an equidigital number, since it uses as much as digits as its factorization.

1673503568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78624 (or 78596 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 1673503568 is about 40908.4779477311. The cubic root of 1673503568 is about 1187.2500982981.

The spelling of 1673503568 in words is "one billion, six hundred seventy-three million, five hundred three thousand, five hundred sixty-eight".