674009040 has 160 divisors (see below), whose sum is σ = 2228428800. Its totient is φ = 168030720.

The previous prime is 674009023. The next prime is 674009051. The reversal of 674009040 is 40900476.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 674008989 and 674009007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359305 + ... + 361175.

It is an arithmetic number, because the mean of its divisors is an integer number (13927680).

Almost surely, 2^674009040 is an apocalyptic number.

674009040 is a gapful number since it is divisible by the number (60) 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 674009040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114214400).

674009040 is an abundant number, since it is smaller than the sum of its proper divisors (1554419760).

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

674009040 is a wasteful number, since it uses less digits than its factorization.

674009040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 674009040 is about 25961.6840748053. The cubic root of 674009040 is about 876.7758394274.

The spelling of 674009040 in words is "six hundred seventy-four million, nine thousand, forty".