672420210 has 128 divisors (see below), whose sum is σ = 2130499584. Its totient is φ = 131496960.

The previous prime is 672420149. The next prime is 672420223. The reversal of 672420210 is 12024276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30709 + ... + 47831.

It is an arithmetic number, because the mean of its divisors is an integer number (16644528).

Almost surely, 2^672420210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672420210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065249792).

672420210 is an abundant number, since it is smaller than the sum of its proper divisors (1458079374).

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

672420210 is a wasteful number, since it uses less digits than its factorization.

672420210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 672420210 is about 25931.0665033276. The cubic root of 672420210 is about 876.0863611403.

Adding to 672420210 its reverse (12024276), we get a palindrome (684444486).

The spelling of 672420210 in words is "six hundred seventy-two million, four hundred twenty thousand, two hundred ten".