672740861100 has 288 divisors, whose sum is σ = 2505045000192. Its totient is φ = 135280800000.

The previous prime is 672740861077. The next prime is 672740861101. The reversal of 672740861100 is 1168047276.

672740861100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (672740861101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 246375 + ... + 1185825.

Almost surely, 2^672740861100 is an apocalyptic number.

672740861100 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 672740861100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252522500096).

672740861100 is an abundant number, since it is smaller than the sum of its proper divisors (1832304139092).

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

672740861100 is a wasteful number, since it uses less digits than its factorization.

672740861100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939517 (or 939510 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 672740861100 in words is "six hundred seventy-two billion, seven hundred forty million, eight hundred sixty-one thousand, one hundred".