674134740 has 36 divisors (see below), whose sum is σ = 2044875924. Its totient is φ = 179769216.

The previous prime is 674134739. The next prime is 674134759. The reversal of 674134740 is 47431476.

It is a happy number.

674134740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 272052036 + 402082704 = 16494^2 + 20052^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 674134695 and 674134704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1872417 + ... + 1872776.

It is an arithmetic number, because the mean of its divisors is an integer number (56802109).

Almost surely, 2^674134740 is an apocalyptic number.

674134740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674134740 is an abundant number, since it is smaller than the sum of its proper divisors (1370741184).

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

674134740 is a wasteful number, since it uses less digits than its factorization.

674134740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745208 (or 3745203 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 674134740 is about 25964.1048372556. The cubic root of 674134740 is about 876.8303411061.

The spelling of 674134740 in words is "six hundred seventy-four million, one hundred thirty-four thousand, seven hundred forty".