674234624 has 144 divisors (see below), whose sum is σ = 1624734720. Its totient is φ = 273162240.

The previous prime is 674234621. The next prime is 674234629. The reversal of 674234624 is 426432476.

Its product of digits (193536) is a multiple of the sum of its prime factors (336).

It is not an unprimeable number, because it can be changed into a prime (674234621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2944142 + ... + 2944370.

It is an arithmetic number, because the mean of its divisors is an integer number (11282880).

Almost surely, 2^674234624 is an apocalyptic number.

674234624 is a gapful number since it is divisible by the number (64) 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 674234624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812367360).

674234624 is an abundant number, since it is smaller than the sum of its proper divisors (950500096).

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

674234624 is a wasteful number, since it uses less digits than its factorization.

674234624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 322 counting only the distinct ones).

The product of its digits is 193536, while the sum is 38.

The square root of 674234624 is about 25966.0282677193. The cubic root of 674234624 is about 876.8736445149.

The spelling of 674234624 in words is "six hundred seventy-four million, two hundred thirty-four thousand, six hundred twenty-four".