1674563628 has 18 divisors (see below), whose sum is σ = 3907645924. Its totient is φ = 558140624.

The previous prime is 1674563593. The next prime is 1674563641. The reversal of 1674563628 is 8263654761.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135850 + ... + 147662.

Almost surely, 2^1674563628 is an apocalyptic number.

It is an amenable number.

1674563628 is an abundant number, since it is smaller than the sum of its proper divisors (2233082296).

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

1674563628 is an frugal number, since it uses more digits than its factorization.

1674563628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23633 (or 11818 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 1674563628 is about 40921.4323796223. The cubic root of 1674563628 is about 1187.5007283172.

Multiplying 1674563628 by its sum of digits (48), we get a square (80379054144 = 283512²).

The spelling of 1674563628 in words is "one billion, six hundred seventy-four million, five hundred sixty-three thousand, six hundred twenty-eight".