674500842 has 24 divisors (see below), whose sum is σ = 1474355844. Its totient is φ = 222843264.

The previous prime is 674500837. The next prime is 674500867. The reversal of 674500842 is 248005476.

674500842 is a `hidden beast` number, since 6 + 74 + 500 + 84 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 607080321 + 67420521 = 24639^2 + 8211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 674500797 and 674500806.

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 11 ways as a sum of consecutive naturals, for example, 163773 + ... + 167840.

Almost surely, 2^674500842 is an apocalyptic number.

674500842 is an abundant number, since it is smaller than the sum of its proper divisors (799855002).

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

674500842 is a wasteful number, since it uses less digits than its factorization.

674500842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331734 (or 331731 counting only the distinct ones).

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

The square root of 674500842 is about 25971.1540367385. The cubic root of 674500842 is about 876.9890389795.

The spelling of 674500842 in words is "six hundred seventy-four million, five hundred thousand, eight hundred forty-two".