674307072 has 176 divisors, whose sum is σ = 2068288800. Its totient is φ = 217018368.

The previous prime is 674307061. The next prime is 674307097. The reversal of 674307072 is 270703476.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23251954 + ... + 23251982.

Almost surely, 2^674307072 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 674307072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034144400).

674307072 is an abundant number, since it is smaller than the sum of its proper divisors (1393981728).

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

674307072 is an frugal number, since it uses more digits than its factorization.

674307072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 674307072 is about 25967.4232837993. The cubic root of 674307072 is about 876.9050507268.

The spelling of 674307072 in words is "six hundred seventy-four million, three hundred seven thousand, seventy-two".