672281412 has 96 divisors (see below), whose sum is σ = 1743565824. Its totient is φ = 199920000.

The previous prime is 672281381. The next prime is 672281431. The reversal of 672281412 is 214182276.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2678287 + ... + 2678537.

It is an arithmetic number, because the mean of its divisors is an integer number (18162144).

Almost surely, 2^672281412 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 672281412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871782912).

672281412 is an abundant number, since it is smaller than the sum of its proper divisors (1071284412).

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

672281412 is a wasteful number, since it uses less digits than its factorization.

672281412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 672281412 is about 25928.3900772879. The cubic root of 672281412 is about 876.0260777041.

The spelling of 672281412 in words is "six hundred seventy-two million, two hundred eighty-one thousand, four hundred twelve".