1674747840 has 112 divisors (see below), whose sum is σ = 5341851648. Its totient is φ = 444539904.

The previous prime is 1674747821. The next prime is 1674747853. The reversal of 1674747840 is 487474761.

It is a super-3 number, since 3×1674747840³ (a number of 29 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1674747840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210169 + ... + 217991.

It is an arithmetic number, because the mean of its divisors is an integer number (47695104).

Almost surely, 2^1674747840 is an apocalyptic number.

1674747840 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 1674747840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2670925824).

1674747840 is an abundant number, since it is smaller than the sum of its proper divisors (3667103808).

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

1674747840 is a wasteful number, since it uses less digits than its factorization.

1674747840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066 (or 8056 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 48.

The square root of 1674747840 is about 40923.6831187028. The cubic root of 1674747840 is about 1187.5442707780.

The spelling of 1674747840 in words is "one billion, six hundred seventy-four million, seven hundred forty-seven thousand, eight hundred forty".