1674642120 has 128 divisors (see below), whose sum is σ = 5503075200. Its totient is φ = 405794816.

The previous prime is 1674642107. The next prime is 1674642157. The reversal of 1674642120 is 212464761.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45007 + ... + 73313.

It is an arithmetic number, because the mean of its divisors is an integer number (42992775).

Almost surely, 2^1674642120 is an apocalyptic number.

1674642120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1674642120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751537600).

1674642120 is an abundant number, since it is smaller than the sum of its proper divisors (3828433080).

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

1674642120 is a wasteful number, since it uses less digits than its factorization.

1674642120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28367 (or 28363 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1674642120 is about 40922.3914257219. The cubic root of 1674642120 is about 1187.5192819768.

The spelling of 1674642120 in words is "one billion, six hundred seventy-four million, six hundred forty-two thousand, one hundred twenty".