672071009100 has 144 divisors (see below), whose sum is σ = 1964745081600. Its totient is φ = 177364811520.

The previous prime is 672071009089. The next prime is 672071009143. The reversal of 672071009100 is 1900170276.

672071009100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11443611 + ... + 11502189.

Almost surely, 2^672071009100 is an apocalyptic number.

672071009100 is a gapful number since it is divisible by the number (60) 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 672071009100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982372540800).

672071009100 is an abundant number, since it is smaller than the sum of its proper divisors (1292674072500).

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

672071009100 is a wasteful number, since it uses less digits than its factorization.

672071009100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58992 (or 58985 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

Adding to 672071009100 its reverse (1900170276), we get a palindrome (673971179376).

The spelling of 672071009100 in words is "six hundred seventy-two billion, seventy-one million, nine thousand, one hundred".