674025440 has 96 divisors (see below), whose sum is σ = 1766862720. Its totient is φ = 240908800.

The previous prime is 674025431. The next prime is 674025463. The reversal of 674025440 is 44520476.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 674025397 and 674025406.

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, 100595 + ... + 107085.

It is an arithmetic number, because the mean of its divisors is an integer number (18404820).

Almost surely, 2^674025440 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 674025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883431360).

674025440 is an abundant number, since it is smaller than the sum of its proper divisors (1092837280).

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

674025440 is a wasteful number, since it uses less digits than its factorization.

674025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 674025440 is about 25961.9999229643. Note that the first 4 decimals coincide. The cubic root of 674025440 is about 876.7829506115.

674025440 divided by its sum of digits (32) gives a triangular number (21063295 = T₆₄₉₀).

The spelling of 674025440 in words is "six hundred seventy-four million, twenty-five thousand, four hundred forty".