674436064 has 48 divisors (see below), whose sum is σ = 1382965920. Its totient is φ = 323366400.

The previous prime is 674436043. The next prime is 674436131. The reversal of 674436064 is 460634476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137722 + ... + 142534.

It is an arithmetic number, because the mean of its divisors is an integer number (28811790).

Almost surely, 2^674436064 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 674436064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691482960).

674436064 is an abundant number, since it is smaller than the sum of its proper divisors (708529856).

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

674436064 is a wasteful number, since it uses less digits than its factorization.

674436064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The square root of 674436064 is about 25969.9068924014. The cubic root of 674436064 is about 876.9609631981.

The spelling of 674436064 in words is "six hundred seventy-four million, four hundred thirty-six thousand, sixty-four".