674134272 has 144 divisors (see below), whose sum is σ = 2278487680. Its totient is φ = 192595968.

The previous prime is 674134267. The next prime is 674134273. The reversal of 674134272 is 272431476.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (674134273) 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 15 ways as a sum of consecutive naturals, for example, 41418 + ... + 55350.

Almost surely, 2^674134272 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 674134272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139243840).

674134272 is an abundant number, since it is smaller than the sum of its proper divisors (1604353408).

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

674134272 is a wasteful number, since it uses less digits than its factorization.

674134272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965 (or 13945 counting only the distinct ones).

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

The square root of 674134272 is about 25964.0958248116. The cubic root of 674134272 is about 876.8301382007.

The spelling of 674134272 in words is "six hundred seventy-four million, one hundred thirty-four thousand, two hundred seventy-two".