672551208 has 256 divisors, whose sum is σ = 2306304000. Its totient is φ = 177292800.

The previous prime is 672551179. The next prime is 672551213. The reversal of 672551208 is 802155276.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1177563 + ... + 1178133.

It is an arithmetic number, because the mean of its divisors is an integer number (9009000).

Almost surely, 2^672551208 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 672551208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153152000).

672551208 is an abundant number, since it is smaller than the sum of its proper divisors (1633752792).

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

672551208 is a wasteful number, since it uses less digits than its factorization.

672551208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 672551208 is about 25933.5922694871. The cubic root of 672551208 is about 876.1432492327.

The spelling of 672551208 in words is "six hundred seventy-two million, five hundred fifty-one thousand, two hundred eight".