674359040 has 144 divisors (see below), whose sum is σ = 1719658080. Its totient is φ = 252887040.

The previous prime is 674359033. The next prime is 674359109. The reversal of 674359040 is 40953476.

It is a super-2 number, since 2×674359040² = 909520229659443200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 674358985 and 674359003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373195 + ... + 1373685.

It is an arithmetic number, because the mean of its divisors is an integer number (11942070).

Almost surely, 2^674359040 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 674359040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859829040).

674359040 is an abundant number, since it is smaller than the sum of its proper divisors (1045299040).

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

674359040 is a wasteful number, since it uses less digits than its factorization.

674359040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 674359040 is about 25968.4239028864. The cubic root of 674359040 is about 876.9275774721.

The spelling of 674359040 in words is "six hundred seventy-four million, three hundred fifty-nine thousand, forty".