672798208 has 160 divisors (see below), whose sum is σ = 1539901440. Its totient is φ = 291962880.

The previous prime is 672798199. The next prime is 672798209. The reversal of 672798208 is 802897276.

It is a super-2 number, since 2×672798208² = 905314857376022528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672798209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6936016 + ... + 6936112.

It is an arithmetic number, because the mean of its divisors is an integer number (9624384).

Almost surely, 2^672798208 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 672798208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769950720).

672798208 is an abundant number, since it is smaller than the sum of its proper divisors (867103232).

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

672798208 is a wasteful number, since it uses less digits than its factorization.

672798208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 672798208 is about 25938.3539955796. The cubic root of 672798208 is about 876.2504930594.

The spelling of 672798208 in words is "six hundred seventy-two million, seven hundred ninety-eight thousand, two hundred eight".