674739072 has 224 divisors, whose sum is σ = 2305530480. Its totient is φ = 192595968.

The previous prime is 674739031. The next prime is 674739083. The reversal of 674739072 is 270937476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

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 27 ways as a sum of consecutive naturals, for example, 652668 + ... + 653700.

Almost surely, 2^674739072 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 674739072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152765240).

674739072 is an abundant number, since it is smaller than the sum of its proper divisors (1630791408).

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

674739072 is an equidigital number, since it uses as much as digits as its factorization.

674739072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 674739072 is about 25975.7400664543. The cubic root of 674739072 is about 877.0922760666.

The spelling of 674739072 in words is "six hundred seventy-four million, seven hundred thirty-nine thousand, seventy-two".