674091528 has 96 divisors (see below), whose sum is σ = 1900363680. Its totient is φ = 197606400.

The previous prime is 674091503. The next prime is 674091529. The reversal of 674091528 is 825190476.

It is a super-3 number, since 3×674091528³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 674091528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674091529) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 252376 + ... + 255032.

It is an arithmetic number, because the mean of its divisors is an integer number (19795455).

Almost surely, 2^674091528 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 674091528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950181840).

674091528 is an abundant number, since it is smaller than the sum of its proper divisors (1226272152).

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

674091528 is a wasteful number, since it uses less digits than its factorization.

674091528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 674091528 is about 25963.2726750693. The cubic root of 674091528 is about 876.8116057801.

The spelling of 674091528 in words is "six hundred seventy-four million, ninety-one thousand, five hundred twenty-eight".