1674545772 has 48 divisors (see below), whose sum is σ = 4116828800. Its totient is φ = 528301440.

The previous prime is 1674545749. The next prime is 1674545777. The reversal of 1674545772 is 2775454761.

It is not an unprimeable number, because it can be changed into a prime (1674545777) 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 15 ways as a sum of consecutive naturals, for example, 291504 + ... + 297192.

Almost surely, 2^1674545772 is an apocalyptic number.

1674545772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1674545772 is an abundant number, since it is smaller than the sum of its proper divisors (2442283028).

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

1674545772 is a wasteful number, since it uses less digits than its factorization.

1674545772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006 (or 7004 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 48.

The square root of 1674545772 is about 40921.2142048596. The cubic root of 1674545772 is about 1187.4965074985.

The spelling of 1674545772 in words is "one billion, six hundred seventy-four million, five hundred forty-five thousand, seven hundred seventy-two".