674799072 has 96 divisors (see below), whose sum is σ = 1839366144. Its totient is φ = 216384000.

The previous prime is 674799061. The next prime is 674799077. The reversal of 674799072 is 270997476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×674799072² = 910707575144122368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674799077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585697 + ... + 586847.

It is an arithmetic number, because the mean of its divisors is an integer number (19160064).

Almost surely, 2^674799072 is an apocalyptic number.

674799072 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674799072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919683072).

674799072 is an abundant number, since it is smaller than the sum of its proper divisors (1164567072).

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

674799072 is a wasteful number, since it uses less digits than its factorization.

674799072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 51.

The square root of 674799072 is about 25976.8949645642. The cubic root of 674799072 is about 877.1182732651.

The spelling of 674799072 in words is "six hundred seventy-four million, seven hundred ninety-nine thousand, seventy-two".