1674401544 has 80 divisors (see below), whose sum is σ = 4695768000. Its totient is φ = 557432928.

The previous prime is 1674401539. The next prime is 1674401551. The reversal of 1674401544 is 4451044761.

It is a happy number.

1674401544 is a `hidden beast` number, since 1 + 6 + 74 + 40 + 1 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1674401499 and 1674401508.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 905629 + ... + 907475.

It is an arithmetic number, because the mean of its divisors is an integer number (58697100).

Almost surely, 2^1674401544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1674401544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347884000).

1674401544 is an abundant number, since it is smaller than the sum of its proper divisors (3021366456).

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

1674401544 is a wasteful number, since it uses less digits than its factorization.

1674401544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 1674401544 is about 40919.4519024876. The cubic root of 1674401544 is about 1187.4624136432.

The spelling of 1674401544 in words is "one billion, six hundred seventy-four million, four hundred one thousand, five hundred forty-four".