1674463728 has 40 divisors (see below), whose sum is σ = 4943655808. Its totient is φ = 478418112.

The previous prime is 1674463727. The next prime is 1674463751. The reversal of 1674463728 is 8273644761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674463727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491426 + ... + 2492097.

Almost surely, 2^1674463728 is an apocalyptic number.

It is an amenable number.

1674463728 is an abundant number, since it is smaller than the sum of its proper divisors (3269192080).

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

1674463728 is a wasteful number, since it uses less digits than its factorization.

1674463728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983541 (or 4983535 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 1674463728 is about 40920.2117296575. The cubic root of 1674463728 is about 1187.4771134721.

The spelling of 1674463728 in words is "one billion, six hundred seventy-four million, four hundred sixty-three thousand, seven hundred twenty-eight".